APA Citation

Wallace, K., & Ling, B. (2003). A Trip to the zoo (1st American ed.). London: DK Publising.

Chicago Style Citation

Wallace, Karen, and Bill Ling. A Trip to the Zoo. 1st American ed. London: DK Publising, 2003.

MLA Citation

Wallace, Karen, and Bill Ling. A Trip to the Zoo. 1st American ed. London: DK Publising, 2003.

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