APA

Gatty R., . (1978). The body clock diet book: the newest way to fast and permanent weight loss. New York: Simon and Schuster.

Chicago

Gatty Ronald, . 1978. The body clock diet book: the newest way to fast and permanent weight loss. New York: Simon and Schuster.

Harvard

Gatty R., . (1978). The body clock diet book: the newest way to fast and permanent weight loss. New York: Simon and Schuster.

MLA

Gatty Ronald, . The body clock diet book: the newest way to fast and permanent weight loss. New York: Simon and Schuster. 1978.