APA (7th ed.) Citation

Duffin, H. C. (1920). The quintessence of Bernard Shaw. G. Allen & Unwin ltd..

Chicago Style (17th ed.) Citation

Duffin, Henry Charles. The Quintessence of Bernard Shaw. London: G. Allen & Unwin ltd., 1920.

MLA (9th ed.) Citation

Duffin, Henry Charles. The Quintessence of Bernard Shaw. G. Allen & Unwin ltd., 1920.

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