APA (7th ed.) Citation

Carter, C., Nitert, R., Ritchie, I., & Veenstra, A. (1990). Rocks and minerals. Macmillan.

Chicago Style (17th ed.) Citation

Carter, Chris, Rik Nitert, Ian Ritchie, and Anneke Veenstra. Rocks and Minerals. South Melbourne: Macmillan, 1990.

MLA (9th ed.) Citation

Carter, Chris, et al. Rocks and Minerals. Macmillan, 1990.