APA (7th ed.) Citation

Booth lhAngela. Improve your memory in 21days.

Chicago Style (17th ed.) Citation

Booth lhAngela. Improve Your Memory in 21days. Sydney lbPrentice Hall lc1997.

MLA (9th ed.) Citation

Booth lhAngela. Improve Your Memory in 21days.

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