APA (7th ed.) Citation

Pieplow, N., DiGiorgio, M., & Peterson, R. T. (2017). Peterson Field Guide to Bird Sounds of Eastern North America. Houghton Mifflin Harcourt.

Chicago Style (17th ed.) Citation

Pieplow, Nathan, Michael DiGiorgio, and Roger Tory Peterson. Peterson Field Guide to Bird Sounds of Eastern North America. Boston: Houghton Mifflin Harcourt, 2017.

MLA (9th ed.) Citation

Pieplow, Nathan, et al. Peterson Field Guide to Bird Sounds of Eastern North America. Houghton Mifflin Harcourt, 2017.