APA ציטוט

Bjorge, R., & Bolingbroke, D. (1988). Alberta. Fowl Cholera in overwintering mallard ducks.

Citação norma Chicago

Bjorge, Ron, and Dennis Bolingbroke. Alberta. Fowl Cholera in Overwintering Mallard Ducks. 1988.

ציטוט MLA

Bjorge, Ron, and Dennis Bolingbroke. Alberta. Fowl Cholera in Overwintering Mallard Ducks. 1988.