Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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