APA引文

Pruthi, R. (2005). Space tourism. Rajat Publications.

Chicago Edition Citation

Pruthi, R.K. Space Tourism. New Delhi: Rajat Publications, 2005.

MLA引文

Pruthi, R.K. Space Tourism. Rajat Publications, 2005.

警告：這些引文格式不一定是100％准確.