APA (7th ed.) Citation

Alldis, J. (1973). Animals as friends: A head keeper remembers London Zoo. Taplinger Pub. Co..

Chicago Style (17th ed.) Citation

Alldis, Jim. Animals as Friends: A Head Keeper Remembers London Zoo. New York: Taplinger Pub. Co., 1973.

MLA (9th ed.) Citation

Alldis, Jim. Animals as Friends: A Head Keeper Remembers London Zoo. Taplinger Pub. Co., 1973.