Citazione Stile APA (7a Edizione)

Titus, H. H., Smith, M. S., & Nolan, R. T. (1979). Living Issues in Philosophy (Seventh edition.). D.Van Nostrand Company.

Citazione stile Chigago Style (17a edizione)

Titus, Harold Hopper, Marilyn S. Smith, e Richard Thomas Nolan. Living Issues in Philosophy. Seventh edition. New York [i pozostałe]: D.Van Nostrand Company, 1979.

Citatione MLA (9a ed.)

Titus, Harold Hopper, et al. Living Issues in Philosophy. Seventh edition. D.Van Nostrand Company, 1979.