ELLISON, Harlan, 1996. Harlan Ellison’s The city on the edge of forever : the original teleplay that became the classic Star Trek episode. Clarkston, Ga.: White Wolf Publ. ISBN 1565049640.

Ellison, H., 1996. Harlan Ellison’s The city on the edge of forever : the original teleplay that became the classic Star Trek episode. White Wolf Publ., Clarkston, Ga.

Ellison, H. (ca. 1996). Harlan Ellison’s The city on the edge of forever : the original teleplay that became the classic Star Trek episode [Book]. White Wolf Publ.

Ellison H (1996) Harlan Ellison’s The city on the edge of forever : the original teleplay that became the classic Star Trek episode. White Wolf Publ., Clarkston, Ga

Ellison, Harlan, Harlan Ellison’s The city on the edge of forever : the original teleplay that became the classic Star Trek episode, Clarkston, Ga. 1996.