Cita APA (7a ed.)

Sweetman, H. L., & Howard, L. O. (1936). The biological control of insects: With a chapter on weed control. Comstock.

Cita Chicago Style (17a ed.)

Sweetman, Hervey L., y L. O. Howard. The Biological Control of Insects: With a Chapter on Weed Control. Ithaca: Comstock, 1936.

Cita MLA (8a ed.)

Sweetman, Hervey L., y L. O. Howard. The Biological Control of Insects: With a Chapter on Weed Control. Comstock, 1936.