APA (7th ed.) Citation

Mottana, A., Crespi, R., & Liborio, G. (1983). The MacDonald encyclopedia of rocks and minerals. MacDonald.

Chicago Style (17th ed.) Citation

Mottana, Annibale, Rodolfo Crespi, and Giuseppe Liborio. The MacDonald Encyclopedia of Rocks and Minerals. London u.a: MacDonald, 1983.

MLA (9th ed.) Citation

Mottana, Annibale, et al. The MacDonald Encyclopedia of Rocks and Minerals. MacDonald, 1983.