Cita APA (7a ed.)

Nelson, A. P., & Gilbert, S. (2005). The Harvard Medical School guide to achieving optimal memory. McGraw-Hill.

Cita Chicago Style (17a ed.)

Nelson, Aaron P., y Susan Gilbert. The Harvard Medical School Guide to Achieving Optimal Memory. New York [etc.]: McGraw-Hill, 2005.

Cita MLA (9a ed.)

Nelson, Aaron P., y Susan Gilbert. The Harvard Medical School Guide to Achieving Optimal Memory. McGraw-Hill, 2005.