APA استشهاد

Lehner, P. N. (1996). Handbook of ethological methods (2nd ed.). Cambridge University Press.

استشهاد بنمط شيكاغو

Lehner, Philip N. Handbook of Ethological Methods. 2nd ed. Cambridge: Cambridge University Press, 1996.

MLA استشهاد

Lehner, Philip N. Handbook of Ethological Methods. 2nd ed. Cambridge University Press, 1996.