APA (7th ed.) Citation

Science Fiction Writers of America & Knight, D. (1969). By-laws Science Fiction Writers of America. Science Fiction Writers of America.

Chicago Style (17th ed.) Citation

Science Fiction Writers of America and Damon Knight. By-laws Science Fiction Writers of America. [Pennsylvania]: Science Fiction Writers of America, 1969.

MLA (9th ed.) Citation

Science Fiction Writers of America and Damon Knight. By-laws Science Fiction Writers of America. Science Fiction Writers of America, 1969.