Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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