APA Style

Brand, Maggie. (1990). Key Book vol. 20 (vol. 20). United Kingdom: World book International.

Chicago Style

Brand, Maggie. Key Book vol. 20. vol. 20 United Kingdom: World book International, 1990. Text.

MLA Style

Brand, Maggie. Key Book vol. 20. vol. 20 United Kingdom: World book International, 1990. Text.

Turabian Style

Brand, Maggie. Key Book vol. 20. vol. 20 United Kingdom: World book International, 1990. Print.