APA Citation

Van Emden, H. F., & Harrington, R. Aphids as crop pests (Second edition.).

Chicago Style Citation

Van Emden, Helmut F., and Richard Harrington. Aphids As Crop Pests. Second edition.

MLA Citation

Van Emden, Helmut F., and Richard Harrington. Aphids As Crop Pests. Second edition.

Warning: These citations may not always be 100% accurate.