Cita APA

Craighead, F. C. n. 1. (1950). Insect enemies of eastern forests. Washington: U.S. Government Printing Office.

Citación estilo Chicago

Craighead, Frank Cooper n. 1890. Insect Enemies of Eastern Forests. Washington: U.S. Government Printing Office, 1950.

Cita MLA

Craighead, Frank Cooper n. 1890. Insect Enemies of Eastern Forests. Washington: U.S. Government Printing Office, 1950.