Cita APA

Comstock, J. H. 1., Comstock, A. B., & Herrick, G. W. (1938). A manual for the study of insects (22. edition rev.). Ithaca, N.Y.: Comstock.

Citación estilo Chicago

Comstock, John Henry 1849-1931, Anna Botsford Comstock, y Glenn W. Herrick. A Manual for the Study of Insects. 22. edition rev. Ithaca, N.Y.: Comstock, 1938.

Cita MLA

Comstock, John Henry 1849-1931, Anna Botsford Comstock, y Glenn W. Herrick. A Manual for the Study of Insects. 22. edition rev. Ithaca, N.Y.: Comstock, 1938.