APA Citation

Princeton Language Institute, Philip Lief Group, & Robert, R. (2001). 10 days to a sharper memory. New York: Warner Books.

Chicago Style Citation

Princeton Language Institute, Philip Lief Group, and Russell Robert. 10 Days to a Sharper Memory. New York: Warner Books, 2001.

MLA Citation

Princeton Language Institute, Philip Lief Group, and Russell Robert. 10 Days to a Sharper Memory. New York: Warner Books, 2001.

Warning: These citations may not always be 100% accurate.