APA (7th ed.) Citation

Horn, D. J., Johansen, S. M., & Wilcoxen, T. E. Seed and feeder use by birds in the United States and Canada. Wiley.

Chicago Style (17th ed.) Citation

Horn, David J., Stacey M. Johansen, and Travis E. Wilcoxen. Seed and Feeder Use by Birds in the United States and Canada. Wiley.

MLA (9th ed.) Citation

Horn, David J., et al. Seed and Feeder Use by Birds in the United States and Canada. Wiley.