APA (7th ed.) Citation

Duffy, S. (2004). State of happiness. Virago Press.

Chicago Style (17th ed.) Citation

Duffy, Stella. State of Happiness. London: Virago Press, 2004.

MLA (9th ed.) Citation

Duffy, Stella. State of Happiness. Virago Press, 2004.

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