APA (7th ed.) Citation

Karavis, S. a. M. (2002). Who? What? Why? Harcourt Education.

Chicago Style (17th ed.) Citation

Karavis, Sylvia and Matthews. Who? What? Why? Oxford: Harcourt Education, 2002.

MLA (9th ed.) Citation

Karavis, Sylvia and Matthews. Who? What? Why? Harcourt Education, 2002.