APA استشهاد

Andrewartha, H. G. (1970). Introduction to the study of animal populations (2nd ed.). Methuen.

استشهاد بنمط شيكاغو

Andrewartha, H. G. Introduction to the Study of Animal Populations. 2nd ed. London: Methuen, 1970.

MLA استشهاد

Andrewartha, H. G. Introduction to the Study of Animal Populations. 2nd ed. Methuen, 1970.