Cita APA (7th ed.)

(1987). Therese Oulton, Nobert Prangenberg, Joan Snyder. Hirschl & Adler.

Cita Chicago (17th ed.)

Therese Oulton, Nobert Prangenberg, Joan Snyder. New York: Hirschl & Adler, 1987.

Cita MLA (8th ed.)

Therese Oulton, Nobert Prangenberg, Joan Snyder. Hirschl & Adler, 1987.