APA (7th ed.) Citation

Yolen, J., & Marstall, B. (2016). On bird hill. The Cornell Lab Publishing Group.

Chicago Style (17th ed.) Citation

Yolen, Jane, and Bob Marstall. On Bird Hill. Apex, NC: The Cornell Lab Publishing Group, 2016.

MLA (8th ed.) Citation

Yolen, Jane, and Bob Marstall. On Bird Hill. The Cornell Lab Publishing Group, 2016.

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