APA

Franklin H. B., . (1966). Future perfect; American science fiction of the nineteenth century. New York: Oxford University Press.

Chicago

Franklin H Bruce, . 1966. Future perfect; American science fiction of the nineteenth century. New York: Oxford University Press.

Harvard

Franklin H. B., . (1966). Future perfect; American science fiction of the nineteenth century. New York: Oxford University Press.

MLA

Franklin H Bruce, . Future perfect; American science fiction of the nineteenth century. New York: Oxford University Press. 1966.