Cita APA (7a ed.)

Helbig, A., & Perkins, A. (2002). Dictionary of American children's fiction, 1995-1999: Books of recognized merit. Greenwood Press.

Cita Chicago Style (17a ed.)

Helbig, Alethea, y Agnes Perkins. Dictionary of American Children's Fiction, 1995-1999: Books of Recognized Merit. Westport, Conn.: Greenwood Press, 2002.

Cita MLA (8a ed.)

Helbig, Alethea, y Agnes Perkins. Dictionary of American Children's Fiction, 1995-1999: Books of Recognized Merit. Greenwood Press, 2002.