Παραπομπή APA

Zebrowski, G. (1990). Nebula awards 22: SFWA's choices for the best science fiction and fantasy 1986. Affiliated East-west Press.

Παραπομπή Chicago Style

Zebrowski, George. Nebula Awards 22: SFWA's Choices for the Best Science Fiction and Fantasy 1986. New Delhi: Affiliated East-west Press, 1990.

Παραπομπή MLA

Zebrowski, George. Nebula Awards 22: SFWA's Choices for the Best Science Fiction and Fantasy 1986. Affiliated East-west Press, 1990.