APA引文

Floyd, T., & Schmitt, N. J. (2019). How to know the birds: The art & adventure of birding. National Geographic.

Chicago Style (17th ed.) Citation

Floyd, Ted, and N. John Schmitt. How to Know the Birds: The Art & Adventure of Birding. Washington, D.C.: National Geographic, 2019.

MLA引文

Floyd, Ted, and N. John Schmitt. How to Know the Birds: The Art & Adventure of Birding. National Geographic, 2019.

警告：這些引文格式不一定是100％准確.