Cita APA (7a ed.)

Thomas, P., & Kent, K. (1991). New York. SMITHMARK.

Cita Chicago Style (17a ed.)

Thomas, Pamela, y Karen Kent. New York. New York: SMITHMARK, 1991.

Cita MLA (9a ed.)

Thomas, Pamela, y Karen Kent. New York. SMITHMARK, 1991.