APA (7th ed.) Citation

Proctor, R., & Stevenson, R. (1968). The Black Panther Party. [publisher not identified].

Chicago Style (17th ed.) Citation

Proctor, Roscoe, and Ronald Stevenson. The Black Panther Party. [Place of publication not identified]: [publisher not identified], 1968.

MLA (9th ed.) Citation

Proctor, Roscoe, and Ronald Stevenson. The Black Panther Party. [publisher not identified], 1968.

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