APA (7th ed.) Citation

Lockley, S. W. (2012). Sleep: A Very Short Introduction (1st.). Oxford.

Chicago Style (17th ed.) Citation

Lockley, Steven W. Sleep: A Very Short Introduction. 1st. Oxford, 2012.

MLA (9th ed.) Citation

Lockley, Steven W. Sleep: A Very Short Introduction. 1st. Oxford, 2012.

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