APA-viite (7. p.)

Stephens, D. W., & Krebs, J. R. (1986). Foraging theory. Princeton University Press.

Chicago-viite (17. p.)

Stephens, David W., ja John R. Krebs. Foraging Theory. Princeton: Princeton University Press, 1986.

MLA-viite (9. p.)

Stephens, David W., ja John R. Krebs. Foraging Theory. Princeton University Press, 1986.