APA

Fry R., . (1997). Improve Your Memory. London: Kogan Page.

Chicago

Fry R, . 1997. Improve Your Memory. London: Kogan Page.

Harvard

Fry R., . (1997). Improve Your Memory. London: Kogan Page.

MLA

Fry R, . Improve Your Memory. London: Kogan Page. 1997.