APA (7th ed.) Citation

Dunkell, S. (1977). Sleep positions: The night language of the body. Morrow.

Chicago Style (17th ed.) Citation

Dunkell, Samuel. Sleep Positions: The Night Language of the Body. New York: Morrow, 1977.

MLA (9th ed.) Citation

Dunkell, Samuel. Sleep Positions: The Night Language of the Body. Morrow, 1977.

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