APA Citation

I. Dickson, G. (1978). Nebula Winners Twelve. New York: Science Fiction Writers of America : Harper Row.

Chicago Style Citation

I. Dickson, Gordón. Nebula Winners Twelve. New York: Science Fiction Writers of America : Harper Row, 1978.

MLA Citation

I. Dickson, Gordón. Nebula Winners Twelve. New York: Science Fiction Writers of America : Harper Row, 1978.

Warning: These citations may not always be 100% accurate.