記錄引文

APA引文
Grego, P. (2008). Venus and Mercury, and how to observe them. Springer.
Chicago Style (17th ed.) Citation
Grego, Peter. Venus and Mercury, and How to Observe Them. New York: Springer, 2008.
MLA引文
Grego, Peter. Venus and Mercury, and How to Observe Them. Springer, 2008.
警告:這些引文格式不一定是100%准確.