APA引文

Culver, R. B., & Roberts, S. (1997). Laboratory exercises in introductory astronomy. Forth Worth, TX: Harcourt Brace.

Trích dẫn kiểu Chicago

Culver, Roger B., và Sean Roberts. Laboratory Exercises in Introductory Astronomy. Forth Worth, TX: Harcourt Brace, 1997.

MLA引文

Culver, Roger B., và Sean Roberts. Laboratory Exercises in Introductory Astronomy. Forth Worth, TX: Harcourt Brace, 1997.

警告：這些引文格式不一定是100％准確.