APA (7th ed.) Citation

Gruber, E. (1963). Biology: Advanced tests for the graduate record examination. ARCO Publishing.

Chicago Style (17th ed.) Citation

Gruber, E.C. Biology: Advanced Tests for the Graduate Record Examination. New York: ARCO Publishing, 1963.

MLA (9th ed.) Citation

Gruber, E.C. Biology: Advanced Tests for the Graduate Record Examination. ARCO Publishing, 1963.

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