Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.