APA (7th ed.) Citation

Swartz , C. L. (1927). What is mutualism ? Vanguard Press.

Chicago Style (17th ed.) Citation

Swartz , Clarence Lee. What Is Mutualism ? Vanguard Press, 1927.

MLA (8th ed.) Citation

Swartz , Clarence Lee. What Is Mutualism ? Vanguard Press, 1927.

Warning: These citations may not always be 100% accurate.