APA引文

Ryden, B. S. (2003). Introduction to cosmology. Addison-Wesley.

Chicago Style (17th ed.) Citation

Ryden, Barbara Sue. Introduction to Cosmology. San Francisco: Addison-Wesley, 2003.

MLA引文

Ryden, Barbara Sue. Introduction to Cosmology. Addison-Wesley, 2003.

警告：這些引文格式不一定是100％准確.