APA引文

Harwit, M. (1973). Astrophysical concepts. Wiley Eastern.

Chicago Edition Citation

Harwit, Martin. Astrophysical Concepts. New York: Wiley Eastern, 1973.

MLA引文

Harwit, Martin. Astrophysical Concepts. Wiley Eastern, 1973.

警告：這些引文格式不一定是100％准確.