APA (7th ed.) Citation

Gill, S. D. (1987). Mother Earth: An American story. University of Chicago Press.

Chicago Style (17th ed.) Citation

Gill, Sam D. Mother Earth: An American Story. Chicago, Ill. u.a: University of Chicago Press, 1987.

MLA (8th ed.) Citation

Gill, Sam D. Mother Earth: An American Story. University of Chicago Press, 1987.