APA (7th ed.) Zitazioa

Levine, L. S., & Norman, M. (1991). How Could I Ever Know? Alfred Publishing Co., Inc..

Chicago Style (17th ed.) Zitazioa

Levine, Lucy Simon, eta Marsha Norman. How Could I Ever Know? Louisville, United States: Alfred Publishing Co., Inc., 1991.

MLA (9th ed.) Zitazioa

Levine, Lucy Simon, eta Marsha Norman. How Could I Ever Know? Alfred Publishing Co., Inc., 1991.