BIBLIOGRAFIA

Para livros: mais de três autores é opcional o uso de "et. al" ou "e outros";
Exemplo:

Iverson C, Flanagin A, Fontanarosa PB, Glass RM, Glitman P, Lantz JC, Meyer HS, Smith JM, Winker MA, Young RK. American Medical Association manual of style. 9th ed. Baltimore (MD): Williams & Wilkins; c1998. 660 p.

Ou

Iverson C, Flanagin A, Fontanarosa PB, et al. American Medical Association manual of style. 9th ed. Baltimore (MD): Williams & Wilkins; c1998. 660 p.

Para artigos científicos: mais de seis autores é opcional o uso de "et. al" ou "e outros";
Exemplo:

Rastan S, Hough T, Kierman A, Hardisty R, Erven A, Gray IC, Voeling S, Isaacs A, Tsai H, Strivens M, Washbourne R, Thornton C, Greenaway S, Hewitt M, McCormick S, Selley R, Wells C, Tymowska-Lalanne Z, Roby P, Mburu P, Rogers D, Hagan J, Reavill C, Davies K, Glenister P, Fisher EM, Martin J, Vizor L, Bouzyk M, Kelsell D, Guenet JL, Steel KP, Sheardown S, Spurr N, Gray I, Peters J, Nolan PM, Hunter AJ, Brown SD. Towards a mutant map of the mouse--new models of neurological, behavioural, deafness, bone, renal and blood disorders. Genetica. 2004 Sep;122(1):47-9.

Ou

Rastan S, Hough T, Kierman A, et al. Towards a mutant map of the mouse--new models of neurological, behavioural, deafness, bone, renal and blood disorders. Genetica. 2004 Sep;122(1):47-9.

Ou

Rastan S, Hough T, Kierman A, Hardisty R, Erven A, Gray IC, et. al. Towards a mutant map of the mouse--new models of neurological, behavioural, deafness, bone, renal and blood disorders. Genetica. 2004