APA (7th ed.) Citation

Kuenne, K., Bagby, D., & Bagby, K. (2009). Dear Zachary: A letter to a son about his father. Oscilloscope Pictures.

Chicago Style (17th ed.) Citation

Kuenne, Kurt, David Bagby, and Kate Bagby. Dear Zachary: A Letter to a Son About His Father. [United States]: Oscilloscope Pictures, 2009.

MLA (8th ed.) Citation

Kuenne, Kurt, et al. Dear Zachary: A Letter to a Son About His Father. Oscilloscope Pictures, 2009.

Warning: These citations may not always be 100% accurate.