APA (7e ed.) Bronvermelding

Stephens, D. W. a. K. (1988). Foraging theory. Princeton Univ. Press.

Chicago (17e ed.) Bronvermelding

Stephens, David W.; and Krebs. Foraging Theory. Princeton, New Jersey: Princeton Univ. Press, 1988.

MLA (9e ed.) Bronvermelding

Stephens, David W.; and Krebs. Foraging Theory. Princeton Univ. Press, 1988.