APA (7th ed.) Citation

Seymour, J. (1989). The ultimate heresy. Green Books.

Chicago Style (17th ed.) Citation

Seymour, John. The Ultimate Heresy. Bideford, Devon: Green Books, 1989.

MLA (9th ed.) Citation

Seymour, John. The Ultimate Heresy. Green Books, 1989.

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