Citazione Stile APA (7a Edizione)

Schuller, R. H. (1988). Success is never ending, failure is never final. T. Nelson Publishers, Bantam Books.

Citazione stile Chigago Style (17a edizione)

Schuller, Robert H. Success Is Never Ending, Failure Is Never Final. Nashville : New York: T. Nelson Publishers, Bantam Books, 1988.

Citatione MLA (8a ed.)

Schuller, Robert H. Success Is Never Ending, Failure Is Never Final. T. Nelson Publishers, Bantam Books, 1988.