APA (7th ed.) Citation

Gruber, E. C. (1963). Geology: Dvanced tests for the graduate record examination. ARCO Publishing Company Inc.

Chicago Style (17th ed.) Citation

Gruber, Edward C. Geology: Dvanced Tests for the Graduate Record Examination. New York: ARCO Publishing Company Inc, 1963.

MLA (9th ed.) Citation

Gruber, Edward C. Geology: Dvanced Tests for the Graduate Record Examination. ARCO Publishing Company Inc, 1963.

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