APA (7th ed.) Citation

Hanks, J. (1979). A struggle for survival: The elephant problem (1st American ed.). C. Struik.

Chicago Style (17th ed.) Citation

Hanks, John. A Struggle for Survival: The Elephant Problem. 1st American ed. Cape Town: C. Struik, 1979.

MLA (9th ed.) Citation

Hanks, John. A Struggle for Survival: The Elephant Problem. 1st American ed. C. Struik, 1979.