APA (7th ed.) Citation

John Grogan. (2012). Marley: Firehouse Dog (I Can Read Level 2). HarperCollins.

Chicago Style (17th ed.) Citation

John Grogan. Marley: Firehouse Dog (I Can Read Level 2). HarperCollins, 2012.

MLA (9th ed.) Citation

John Grogan. Marley: Firehouse Dog (I Can Read Level 2). HarperCollins, 2012.

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