APA (7th ed.) Citation

Proctor, R. W., & Van Zandt, T. (1994). Human factors in simple and complex systems. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Proctor, Robert W., and Trisha Van Zandt. Human Factors in Simple and Complex Systems. Boston: Allyn and Bacon, 1994.

MLA (9th ed.) Citation

Proctor, Robert W., and Trisha Van Zandt. Human Factors in Simple and Complex Systems. Allyn and Bacon, 1994.