APA Citation

Penny, W. M. (1937). Aetiology of Erythema Nodosum.

Chicago Style Citation

Penny, W. M. Aetiology of Erythema Nodosum. 1937.

MLA Citation

Penny, W. M. Aetiology of Erythema Nodosum. 1937.

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