APA (7th ed.) Citation

Gabrielson, I. N. (1941). Wildlife conservation. The Macmillan Co.

Chicago Style (17th ed.) Citation

Gabrielson, Ira Noel. Wildlife Conservation. New York: The Macmillan Co, 1941.

MLA (9th ed.) Citation

Gabrielson, Ira Noel. Wildlife Conservation. The Macmillan Co, 1941.