APA (7th ed.) Citation

Zuckerman, B. (1996). Extraterrestrials: Where are they ? (2. ed., repr.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Zuckerman, Ben. Extraterrestrials: Where Are They ? 2. ed., repr. Cambridge [u.a.]: Cambridge Univ. Press, 1996.

MLA (9th ed.) Citation

Zuckerman, Ben. Extraterrestrials: Where Are They ? 2. ed., repr. Cambridge Univ. Press, 1996.