APA (7th ed.) Citation

Hansen, R. (2016). Then: Science fiction fandom in the UK: 1930-1980. Ansible Editions.

Chicago Style (17th ed.) Citation

Hansen, Rob. Then: Science Fiction Fandom in the UK: 1930-1980. Reading, England: Ansible Editions, 2016.

MLA (9th ed.) Citation

Hansen, Rob. Then: Science Fiction Fandom in the UK: 1930-1980. Ansible Editions, 2016.