APA (7th ed.) Citation

Oppenheimer, M., Lakey, G., & Rustin, B. (1965). A manual for direct action. Quadrangle Books.

Chicago Style (17th ed.) Citation

Oppenheimer, Martin, George Lakey, and Bayard Rustin. A Manual for Direct Action. Chicago: Quadrangle Books, 1965.

MLA (9th ed.) Citation

Oppenheimer, Martin, et al. A Manual for Direct Action. Quadrangle Books, 1965.