Social life in the animal world,

MLA

Alverdes, Friedrich, and K. C Creasy. Social Life In the Animal World. London: Kegan Paul, Trench, Trubner & Co., 1927.

APA

Alverdes, F., & Creasy, K. C. (1927). Social life in the animal world. London: Kegan Paul, Trench, Trubner & Co.

Chicago

Alverdes, Friedrich, and K. C. Creasy. Social Life In the Animal World,. London: Kegan Paul, Trench, Trubner & Co., 1927.