Moon, T. J., Otto, J. H., & Towle, A. (1960). Modern biology. Holt, Pinehart and Winston.
Cita Chicago (17th ed.)Moon, Truman J., James H. Otto, i Albert Towle. Modern Biology. New York: Holt, Pinehart and Winston, 1960.
Cita MLA (9th ed.)Moon, Truman J., et al. Modern Biology. Holt, Pinehart and Winston, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.