APA (7th ed.) Citation
Card, O. S. (2010). The Writer's Digest guide to science fiction & fantasy. Writer's Digest Books.
Chicago Style (17th ed.) Citation
Card, Orson Scott. The Writer's Digest Guide to Science Fiction & Fantasy. Cincinnati, OH: Writer's Digest Books, 2010.
MLA (9th ed.) Citation
Card, Orson Scott. The Writer's Digest Guide to Science Fiction & Fantasy. Writer's Digest Books, 2010.
Warning: These citations may not always be 100% accurate.