APA
Admas D., . (2020). The ultimate hitchhikers guide to the galaxy. London: Pan books.
Chicago
Admas Douglas, . 2020. The ultimate hitchhikers guide to the galaxy. London: Pan books.
Harvard
Admas D., . (2020). The ultimate hitchhikers guide to the galaxy. London: Pan books.
MLA
Admas Douglas, . The ultimate hitchhikers guide to the galaxy. London: Pan books. 2020.