APA (7th ed.) Citation

Ashton, H. (1937). People in cages. The Macmillan company.

Chicago Style (17th ed.) Citation

Ashton, Helen. People in Cages. New York: The Macmillan company, 1937.

MLA (9th ed.) Citation

Ashton, Helen. People in Cages. The Macmillan company, 1937.