APA (7th ed.) Citation

Zion, G., & Graham, M. B. (2006). Harry, the dirty dog (1st. board book ed.; 50th anniversary ed.). HarperFestival.

Chicago Style (17th ed.) Citation

Zion, Gene, and Margaret Bloy Graham. Harry, the Dirty Dog. 1st. board book ed.; 50th anniversary ed. [New York]: HarperFestival, 2006.

MLA (8th ed.) Citation

Zion, Gene, and Margaret Bloy Graham. Harry, the Dirty Dog. 1st. board book ed.; 50th anniversary ed. HarperFestival, 2006.

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