Cita APA (7th ed.)

Henkes, K. (1989). Shhhh. Greenwillow Books.

Cita Chicago (17th ed.)

Henkes, Kevin. Shhhh. New York: Greenwillow Books, 1989.

Cita MLA (8th ed.)

Henkes, Kevin. Shhhh. Greenwillow Books, 1989.

Atenció: Aquestes cites poden no estar 100% correctes.