APA (7th ed.) Citation

Gunn, J. E. (1975). The discovery of the future: The ways science fiction developed. Texas A & M University Library.

Chicago Style (17th ed.) Citation

Gunn, James E. The Discovery of the Future: The Ways Science Fiction Developed. College Station, Tex.: Texas A & M University Library, 1975.

MLA (9th ed.) Citation

Gunn, James E. The Discovery of the Future: The Ways Science Fiction Developed. Texas A & M University Library, 1975.