Citação norma APA

Johnson, R. P., Trocha, A., Buchanan, T. M., & Walker, B. D. (1993). Recognition of a highly conserved region of human immunodeficiency virus type 1 gp120 by an HLA-Cw4-restricted cytotoxic T-lymphocyte clone.

Citação norma Chicago

Johnson, R P., A. Trocha, T M. Buchanan, and B D. Walker. Recognition of a Highly Conserved Region of Human Immunodeficiency Virus Type 1 Gp120 By an HLA-Cw4-restricted Cytotoxic T-lymphocyte Clone. 1993.

Citação norma MLA

Johnson, R P., A. Trocha, T M. Buchanan, and B D. Walker. Recognition of a Highly Conserved Region of Human Immunodeficiency Virus Type 1 Gp120 By an HLA-Cw4-restricted Cytotoxic T-lymphocyte Clone. 1993.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.