APA ציטוט

Yetter, R. A., Barber, W. H., & Small, P. A. (1980). Heterotypic immunity to influenza in ferrets.

Citação norma Chicago

Yetter, R A., W H. Barber, and P A. Small. Heterotypic Immunity to Influenza in Ferrets. 1980.

ציטוט MLA

Yetter, R A., W H. Barber, and P A. Small. Heterotypic Immunity to Influenza in Ferrets. 1980.