Cita APA (7a ed.)

Hardman, M. L., Drew, C. J., & Egan, M. W. (2008). Human exceptionality (9th ed.). Houghton Mifflin Co.

Cita Chicago Style (17a ed.)

Hardman, Michael L., Clifford J. Drew, y M. Winston Egan. Human Exceptionality. 9th ed. Boston, MA: Houghton Mifflin Co, 2008.

Cita MLA (9a ed.)

Hardman, Michael L., et al. Human Exceptionality. 9th ed. Houghton Mifflin Co, 2008.