APA (7th ed.) Citation

Newman, L., & Oller, E. (2003). Pigs, pigs, pigs! Simon & Schuster Books for Young Readers.

Chicago Style (17th ed.) Citation

Newman, Lesléa, and Erika Oller. Pigs, Pigs, Pigs! New York: Simon & Schuster Books for Young Readers, 2003.

MLA (8th ed.) Citation

Newman, Lesléa, and Erika Oller. Pigs, Pigs, Pigs! Simon & Schuster Books for Young Readers, 2003.