APA aipamena

Niven, L. (1980). The ringworld engineers: Larry Niven. Del Ray Book.

Chicago Style aipamena

Niven, Larry. The Ringworld Engineers: Larry Niven. New York: Del Ray Book, 1980.

MLA aipamena

Niven, Larry. The Ringworld Engineers: Larry Niven. Del Ray Book, 1980.