APA (7th ed.) Citation

Deland, M., & Koerner, W. H. D. (1912). The voice. Harper & Brothers.

Chicago Style (17th ed.) Citation

Deland, Margaret, and W. H. D. Koerner. The Voice. New York, New York ; London, England: Harper & Brothers, 1912.

MLA (9th ed.) Citation

Deland, Margaret, and W. H. D. Koerner. The Voice. Harper & Brothers, 1912.