APA (7th ed.) Citation

Booth, A. (1997). Improve your memory in 21 days. Prentice-Hall.

Chicago Style (17th ed.) Citation

Booth, Angela. Improve Your Memory in 21 Days. Sydney: Prentice-Hall, 1997.

MLA (9th ed.) Citation

Booth, Angela. Improve Your Memory in 21 Days. Prentice-Hall, 1997.

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