APA (7th ed.) Citation

Patch, E. M. (1912). Elm leaf curl and woolly apple aphid.

Chicago Style (17th ed.) Citation

Patch, Edith M. Elm Leaf Curl and Woolly Apple Aphid. Orono, 1912.

MLA (9th ed.) Citation

Patch, Edith M. Elm Leaf Curl and Woolly Apple Aphid. 1912.

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