APA (7th ed.) Citation

Shapero, H. M. G. (1981). Darkover: Images of a world (Special limited ed.). [publisher not identified].

Chicago Style (17th ed.) Citation

Shapero, Hannah M. G. Darkover: Images of a World. Special limited ed. [U.S.?]: [publisher not identified], 1981.

MLA (9th ed.) Citation

Shapero, Hannah M. G. Darkover: Images of a World. Special limited ed. [publisher not identified], 1981.