Cita APA

Starkey, C. M., & Penn, N. W. (1989). What you need to know about (2a. ed.). Lincolnwood, I1: NationalTextbook Co.

Citación estilo Chicago

Starkey, Carolyn Morton, y Norgina Wright Penn. What You Need to Know About. 2a. ed. Lincolnwood, I1: NationalTextbook Co, 1989.

Cita MLA

Starkey, Carolyn Morton, y Norgina Wright Penn. What You Need to Know About. 2a. ed. Lincolnwood, I1: NationalTextbook Co, 1989.