APA Edition Citation

Mellanby, K., & Perring, F. H. (1947). Ecological effects of pesticides.

Chicago Edition Citation

Mellanby, K., and F H. Perring. Ecological Effects of Pesticides. 1947.

MLA Edition Citation

Mellanby, K., and F H. Perring. Ecological Effects of Pesticides. 1947.

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