APA引文

Luginbill, P., & Beyer, A. H. (1921). Corn earworm as an enemy of vetch. Government printing office.

Chicago Style (17th ed.) Citation

Luginbill, Philip, and A. H. Beyer. Corn Earworm as an Enemy of Vetch. Washington: Government printing office, 1921.

MLA引文

Luginbill, Philip, and A. H. Beyer. Corn Earworm as an Enemy of Vetch. Government printing office, 1921.