Cita APA

Long, L., & Loren Long. Otis and the puppy. New York: Philomel Books.

Citación estilo Chicago

Long, Loren, y Loren Long. Otis and the Puppy. New York: Philomel Books.

Cita MLA

Long, Loren, y Loren Long. Otis and the Puppy. New York: Philomel Books.