APA (7th ed.) Citation

Petit, M. (1987). Variable stars. Wiley.

Chicago Style (17th ed.) Citation

Petit, Michel. Variable Stars. Chichester [u.a.]: Wiley, 1987.

MLA (9th ed.) Citation

Petit, Michel. Variable Stars. Wiley, 1987.

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