Cita APA (7a ed.)
Wrenn, C. G., & Schwarzrock, S. P. (1971). The Mind benders. American Guidance Service, Inc..
Cita Chicago Style (17a ed.)
Wrenn, C. Gilbert, y Shirley Pratt Schwarzrock. The Mind Benders. [Circle Pines, Minn.: American Guidance Service, Inc., 1971.
Cita MLA (9a ed.)
Wrenn, C. Gilbert, y Shirley Pratt Schwarzrock. The Mind Benders. American Guidance Service, Inc., 1971.
Precaución: Estas citas no son 100% exactas.