APA (7th ed.) Citation

Brahic, A., Cirou, A., Heidmann, J., Raulin, F., & Reeves, H. (1997). Are we alone in the universe? [1997]. Ampersand.

Chicago Style (17th ed.) Citation

Brahic, A., Alain Cirou, Jean Heidmann, F. Raulin, and Hubert Reeves. Are We Alone in the Universe? [1997]. Paris, Ile-de-France: Ampersand, 1997.

MLA (9th ed.) Citation

Brahic, A., et al. Are We Alone in the Universe? [1997]. Ampersand, 1997.