APA (7th ed.) Citation

Guarino, D., & Kellogg, S. (1989). Is your mama a llama? Scholastic.

Chicago Style (17th ed.) Citation

Guarino, Deborah, and Steven Kellogg. Is Your Mama a Llama? New York: Scholastic, 1989.

MLA (8th ed.) Citation

Guarino, Deborah, and Steven Kellogg. Is Your Mama a Llama? Scholastic, 1989.