Metcalf, C. (1932). Fundamentals of Insect Life. Low Price.
Cita Chicago (17th ed.)Metcalf, C.L. Fundamentals of Insect Life. Delhi: Low Price, 1932.
Cita MLA (9th ed.)Metcalf, C.L. Fundamentals of Insect Life. Low Price, 1932.
Atenció: Aquestes cites poden no estar 100% correctes.