APA (7th ed.) Citation

St. Martin, G., & Nelson, R. C. (1964). The boy: A photographic essay. Book Horizons.

Chicago Style (17th ed.) Citation

St. Martin, Georges, and Ronald C. Nelson. The Boy: A Photographic Essay. New York: Book Horizons, 1964.

MLA (9th ed.) Citation

St. Martin, Georges, and Ronald C. Nelson. The Boy: A Photographic Essay. Book Horizons, 1964.