APA (7th ed.) Citation

(1989). Planetary nebulae: Proceedings of the 131st symposium of the International Astronomical Union, held in Mexico City, Mexico, October 5 - 9, 1987. Kluwer.

Chicago Style (17th ed.) Citation

Planetary Nebulae: Proceedings of the 131st Symposium of the International Astronomical Union, Held in Mexico City, Mexico, October 5 - 9, 1987. Dordrecht [u.a.]: Kluwer, 1989.

MLA (9th ed.) Citation

Planetary Nebulae: Proceedings of the 131st Symposium of the International Astronomical Union, Held in Mexico City, Mexico, October 5 - 9, 1987. Kluwer, 1989.