APA (7th ed.) Citation

Trombley, G., Trombley, G., Bullen, R., Bullen, R., Bong, S., Kim, J., & Ham, M. (2015). Korean from zero!: Proven methods to learn Korean with integrated workbook (3rd edition, (minor updates).). From Zero, LLC.

Chicago Style (17th ed.) Citation

Trombley, George, George Trombley, Reed Bullen, Reed Bullen, Sunhee Bong, Jiyoon Kim, and Myunghee Ham. Korean from Zero!: Proven Methods to Learn Korean with Integrated Workbook. 3rd edition, (minor updates). Henderson, NV: From Zero, LLC, 2015.

MLA (9th ed.) Citation

Trombley, George, et al. Korean from Zero!: Proven Methods to Learn Korean with Integrated Workbook. 3rd edition, (minor updates). From Zero, LLC, 2015.