Style de citation APA (7e éd.)

Kraus, G. (1977). Man in decline: A re-appraisal of hymanity's course. George Prior Publishers.

Style de citation Chicago (17e éd.)

Kraus, Gerhard. Man in Decline: A Re-appraisal of Hymanity's Course. London: George Prior Publishers, 1977.

Style de citation MLA (9e éd.)

Kraus, Gerhard. Man in Decline: A Re-appraisal of Hymanity's Course. George Prior Publishers, 1977.