APA (7th ed.) Citation

Greenberg, M. H. (1996). The Way it wasn't: Great science fiction stories of alternate history. Carol Pub. Group.

Chicago Style (17th ed.) Citation

Greenberg, Martin Harry. The Way It Wasn't: Great Science Fiction Stories of Alternate History. New York: Carol Pub. Group, 1996.

MLA (9th ed.) Citation

Greenberg, Martin Harry. The Way It Wasn't: Great Science Fiction Stories of Alternate History. Carol Pub. Group, 1996.