APA (7th ed.) Citation

Mader, F. W. (1976). Distant worlds: The story of a voyage to the planets. Hyperion Press.

Chicago Style (17th ed.) Citation

Mader, Friedrich Wilhelm. Distant Worlds: The Story of a Voyage to the Planets. Westport, Conn.: Hyperion Press, 1976.

MLA (9th ed.) Citation

Mader, Friedrich Wilhelm. Distant Worlds: The Story of a Voyage to the Planets. Hyperion Press, 1976.