APA (7th ed.) Citation

Philmus, R. M. (1970). Into the unknown: The evolution of science fiction from Francis Godwin to H. G. Wells. University of California Press.

Chicago Style (17th ed.) Citation

Philmus, Robert M. Into the Unknown: The Evolution of Science Fiction from Francis Godwin to H. G. Wells. Berkeley: University of California Press, 1970.

MLA (9th ed.) Citation

Philmus, Robert M. Into the Unknown: The Evolution of Science Fiction from Francis Godwin to H. G. Wells. University of California Press, 1970.