APA (7th ed.) Citation

Andrew Clements. (2004). Ruthie's Perfect poem. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Andrew Clements. Ruthie's Perfect Poem. Boston: Houghton Mifflin, 2004.

MLA (9th ed.) Citation

Andrew Clements. Ruthie's Perfect Poem. Houghton Mifflin, 2004.

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