Cita APA (7th ed.)

Klemke & E. D. (1981). The Meaning of Life. Oxford University Press.

Cita Chicago (17th ed.)

Klemke i E. D. The Meaning of Life. New York / Oxford: Oxford University Press, 1981.

Cita MLA (9th ed.)

Klemke i E. D. The Meaning of Life. Oxford University Press, 1981.