APA (7th ed.) Zitazioa

Grossmann, R. (1990). The Fourth Way: A Theory of Knowledge. Indiana University Press.

Chicago Style (17th ed.) Zitazioa

Grossmann, Reinhardt. The Fourth Way: A Theory of Knowledge. Bloomington: Indiana University Press, 1990.

MLA (9th ed.) Zitazioa

Grossmann, Reinhardt. The Fourth Way: A Theory of Knowledge. Indiana University Press, 1990.