APA引文

Sobel, D. (2011). A more perfect heaven: How Nicolaus Copernicus revolutionized the cosmos (1st U.S. ed.). Walker.

Chicago Style (17th ed.) Citation

Sobel, Dava. A More Perfect Heaven: How Nicolaus Copernicus Revolutionized the Cosmos. 1st U.S. ed. New York: Walker, 2011.

MLA引文

Sobel, Dava. A More Perfect Heaven: How Nicolaus Copernicus Revolutionized the Cosmos. 1st U.S. ed. Walker, 2011.

警告：這些引文格式不一定是100％准確.