APA引文

Mettler, S., & Lieberman, R. C. (2020). Four threats: The recurring crises of American democracy (First edition.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Mettler, Suzanne, and Robert C. Lieberman. Four Threats: The Recurring Crises of American Democracy. First edition. New York, NY: St. Martin's Press, 2020.

MLA引文

Mettler, Suzanne, and Robert C. Lieberman. Four Threats: The Recurring Crises of American Democracy. First edition. St. Martin's Press, 2020.

警告：這些引文格式不一定是100％准確.