APA (7th ed.) Citation

Knapp, B. J., McCrae, D., & Smith, T. (1989). Volcano. Macmillan.

Chicago Style (17th ed.) Citation

Knapp, Brian J., Duncan McCrae, and Tim Smith. Volcano. [London]: Macmillan, 1989.

MLA (9th ed.) Citation

Knapp, Brian J., et al. Volcano. Macmillan, 1989.