Cita APA (7a ed.)

Martin, J. B., & Astin, S. (2003). Snowflake bentley (Unabridged.). Weston Woods.

Cita Chicago Style (17a ed.)

Martin, Jacqueline Briggs, y Sean Astin. Snowflake Bentley. Unabridged. Norwalk: Weston Woods, 2003.

Cita MLA (8a ed.)

Martin, Jacqueline Briggs, y Sean Astin. Snowflake Bentley. Unabridged. Weston Woods, 2003.

Precaución: Estas citas no son 100% exactas.