Cita APA (7a ed.)

Kleitman, N. (1963). Sleep and wakefulness (Rev. and enl. ed.). University of Chicago Press.

Cita Chicago Style (17a ed.)

Kleitman, Nathaniel. Sleep and Wakefulness. Rev. and enl. ed. Chicago ; London: University of Chicago Press, 1963.

Cita MLA (9a ed.)

Kleitman, Nathaniel. Sleep and Wakefulness. Rev. and enl. ed. University of Chicago Press, 1963.