Cita APA (7a ed.)

Flint, W. P., & Metcalf, C. L. (1939). Destructive and useful insects. Their habits and control (2d. ed.). McGraw-Hill Book Co..

Cita Chicago Style (17a ed.)

Flint, W P., y C. L. Metcalf. Destructive and Useful Insects. Their Habits and Control. 2d. ed. New York: McGraw-Hill Book Co., 1939.

Cita MLA (8a ed.)

Flint, W P., y C. L. Metcalf. Destructive and Useful Insects. Their Habits and Control. 2d. ed. McGraw-Hill Book Co., 1939.