APA (7th ed.) Citation

Harbottle, P., Holland, S., Mallett, D. F., & Burgess, M. (1989). British science fiction paperbacks and magazines, 1949-1956: An annotated bibliography and guide. Borgo Press.

Chicago Style (17th ed.) Citation

Harbottle, Philip, Stephen Holland, Daryl F. Mallett, and Michael Burgess. British Science Fiction Paperbacks and Magazines, 1949-1956: An Annotated Bibliography and Guide. San Bernardino, Calif.: Borgo Press, 1989.

MLA (9th ed.) Citation

Harbottle, Philip, et al. British Science Fiction Paperbacks and Magazines, 1949-1956: An Annotated Bibliography and Guide. Borgo Press, 1989.

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