Cita APA

Sonell, C. A., & Sonell, C. A. (1973). Rocks and minerals: A field guide an introduction to the geology and chemistry. --. Nueva York: Graylock Press.

Citación estilo Chicago

Sonell, Charles A., y Charles A. Sonell. Rocks and Minerals: A Field Guide an Introduction to the Geology and Chemistry. --. Nueva York: Graylock Press, 1973.

Cita MLA

Sonell, Charles A., y Charles A. Sonell. Rocks and Minerals: A Field Guide an Introduction to the Geology and Chemistry. --. Nueva York: Graylock Press, 1973.