Cita APA

Crook, W. G. 1., & Crook, W. G. 1. (1973). Your allergic child. New York, New York: Medcom Press.

Citación estilo Chicago

Crook, William Grant 1917-, y William Grant 1917- Crook. Your Allergic Child. New York, New York: Medcom Press, 1973.

Cita MLA

Crook, William Grant 1917-, y William Grant 1917- Crook. Your Allergic Child. New York, New York: Medcom Press, 1973.