Cita APA (7a ed.)

FOULKES, D. (1966). The Psychology of sleep. Charles Scribner's sons.

Cita Chicago Style (17a ed.)

FOULKES, David. The Psychology of Sleep. New York: Charles Scribner's sons, 1966.

Cita MLA (9a ed.)

FOULKES, David. The Psychology of Sleep. Charles Scribner's sons, 1966.