Ramos, S. (2014). What's a lifer and other frequently asked questions about birding. Animal Scene.
芝加哥风格引文Ramos, Sylvia. "What's a Lifer and Other Frequently Asked Questions About Birding." Animal Scene 2014.
MLA引文Ramos, Sylvia. "What's a Lifer and Other Frequently Asked Questions About Birding." Animal Scene, 2014.
警告：这些引文格式不一定是100％准确.