APA (7th ed.) Citation

Rusk, D., Rusk, R., & Papp, D. S. (1991). As I saw it. Penguin.

Chicago Style (17th ed.) Citation

Rusk, Dean, Richard Rusk, and Daniel S. Papp. As I Saw It. Harmondsworth: Penguin, 1991.

MLA (9th ed.) Citation

Rusk, Dean, et al. As I Saw It. Penguin, 1991.