APA (7th ed.) Citation

Betty Zed. (1991). A children's medical encyclopedia. Era.

Chicago Style (17th ed.) Citation

Betty Zed. A Children's Medical Encyclopedia. Flinders Park: Era, 1991.

MLA (9th ed.) Citation

Betty Zed. A Children's Medical Encyclopedia. Era, 1991.

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