APA (7th ed.) Citation

Ashley, M. (2000). The time machines: The story of the science-fiction pulp magazines from the beginning to 1950. Liverpool University Press.

Chicago Style (17th ed.) Citation

Ashley, Michael. The Time Machines: The Story of the Science-fiction Pulp Magazines from the Beginning to 1950. Liverpool: Liverpool University Press, 2000.

MLA (8th ed.) Citation

Ashley, Michael. The Time Machines: The Story of the Science-fiction Pulp Magazines from the Beginning to 1950. Liverpool University Press, 2000.