APA

Stiles F. G., .Effects of a severe drought on the population biology of a tropical hummingbird. : .

Chicago

Stiles F Gary, .Effects of a severe drought on the population biology of a tropical hummingbird. : .

Harvard

Stiles F. G., .Effects of a severe drought on the population biology of a tropical hummingbird. : .

MLA

Stiles F Gary, .: . .