APA (7th ed.) Citation

Benson, S. (1918). Twenty / by Stella Benson. Macmillan.

Chicago Style (17th ed.) Citation

Benson, Stella. Twenty / by Stella Benson. London: Macmillan, 1918.

MLA (9th ed.) Citation

Benson, Stella. Twenty / by Stella Benson. Macmillan, 1918.

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