APA (7th ed.) Citation

(1993). Astronomical data analysis software and systems II (1. publ.).

Chicago Style (17th ed.) Citation

Astronomical Data Analysis Software and Systems II. 1. publ. San Francisco, Calif, 1993.

MLA (9th ed.) Citation

Astronomical Data Analysis Software and Systems II. 1. publ. 1993.

Warning: These citations may not always be 100% accurate.