APA (7th ed.) Citation

Heller, R. L. (1962). Geology and earth scinces sourcebook. Holt, Rinehart r Winston.

Chicago Style (17th ed.) Citation

Heller, Robert L. Geology and Earth Scinces Sourcebook. Holt, Rinehart r Winston, 1962.

MLA (8th ed.) Citation

Heller, Robert L. Geology and Earth Scinces Sourcebook. Holt, Rinehart r Winston, 1962.

Warning: These citations may not always be 100% accurate.