Παραπομπή APA

Wedephol, K. H., & Athaus, E. (1971). Geochemistry. Holt, Rinehart and Winston, Inc.

Παραπομπή Chicago Style

Wedephol, Karl Hans, και Egon Athaus. Geochemistry. New York: Holt, Rinehart and Winston, Inc, 1971.

Παραπομπή MLA

Wedephol, Karl Hans, και Egon Athaus. Geochemistry. Holt, Rinehart and Winston, Inc, 1971.