APA (7th ed.) Zitazioa

Schuller, R. H. (1973). The greatest possibility thinker that ever lived. Fleming H.Revell.

Chicago Style (17th ed.) Zitazioa

Schuller, Robert H. The Greatest Possibility Thinker That Ever Lived. New Jersey: Fleming H.Revell, 1973.

MLA (9th ed.) Zitazioa

Schuller, Robert H. The Greatest Possibility Thinker That Ever Lived. Fleming H.Revell, 1973.