APA (7th ed.) Citation

Steinbeck, J., Murphy, D., & DeMott, R. J. (1985). Your only weapon is your work. Steinbeck Research Center.

Chicago Style (17th ed.) Citation

Steinbeck, John, Dennis Murphy, and Robert J. DeMott. Your Only Weapon Is Your Work. San Jose, Calif.: Steinbeck Research Center, 1985.

MLA (9th ed.) Citation

Steinbeck, John, et al. Your Only Weapon Is Your Work. Steinbeck Research Center, 1985.