APA (7th ed.) Citation

Arp, H. C. (1987). Quasars, redshifts and controversies. Interstellar Media.

Chicago Style (17th ed.) Citation

Arp, Halton C. Quasars, Redshifts and Controversies. Berkeley, L.A: Interstellar Media, 1987.

MLA (9th ed.) Citation

Arp, Halton C. Quasars, Redshifts and Controversies. Interstellar Media, 1987.