APA (7th ed.) Citation

Yolen, J., & Coville, B. (1998). Armageddon summer. Harcourt Brace.

Chicago Style (17th ed.) Citation

Yolen, Jane, and Bruce Coville. Armageddon Summer. San Diego, Calif.: Harcourt Brace, 1998.

MLA (9th ed.) Citation

Yolen, Jane, and Bruce Coville. Armageddon Summer. Harcourt Brace, 1998.