APA Citation

Harrington, H. D., & Durrell, L. (1957). How to identify plants. Chicago: Swallon.

Chicago Style Citation

Harrington, H. D., and L.W. Durrell. How to Identify Plants. Chicago: Swallon, 1957.

MLA Citation

Harrington, H. D., and L.W. Durrell. How to Identify Plants. Chicago: Swallon, 1957.

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