APA (7th ed.) Citation

Howard, H. (1955). Sleep for the wicked. Collins.

Chicago Style (17th ed.) Citation

Howard, Hartley. Sleep for the Wicked. London: Collins, 1955.

MLA (8th ed.) Citation

Howard, Hartley. Sleep for the Wicked. Collins, 1955.

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