APA (7th ed.) Citation

Schultz-Ferrell, K., Hammond, B., & Robles, J. (2007). Introduction to reasoning and proof: Grades 3-5. Heinemann.

Chicago Style (17th ed.) Citation

Schultz-Ferrell, Karren, Brenda Hammond, and Josepha Robles. Introduction to Reasoning and Proof: Grades 3-5. Portsmouth, N.H.: Heinemann, 2007.

MLA (9th ed.) Citation

Schultz-Ferrell, Karren, et al. Introduction to Reasoning and Proof: Grades 3-5. Heinemann, 2007.