APA (7th ed.) Citation

Bretnor, R. (1977). The craft of science fiction: A symposium on writing science fiction and science fantasy. Barnes & Noble.

Chicago Style (17th ed.) Citation

Bretnor, Reginald. The Craft of Science Fiction: A Symposium on Writing Science Fiction and Science Fantasy. New York [u.a.]: Barnes & Noble, 1977.

MLA (9th ed.) Citation

Bretnor, Reginald. The Craft of Science Fiction: A Symposium on Writing Science Fiction and Science Fantasy. Barnes & Noble, 1977.