APA (7th ed.) Zitazioa

Matter, J. A. (1974). Love, altruism, and world crisis: The challenge of pitirim sorokin. Nelson.

Chicago Style (17th ed.) Zitazioa

Matter, Joseph A. Love, Altruism, and World Crisis: The Challenge of Pitirim Sorokin. Chicago: Nelson, 1974.

MLA (9th ed.) Zitazioa

Matter, Joseph A. Love, Altruism, and World Crisis: The Challenge of Pitirim Sorokin. Nelson, 1974.