APA (7th ed.) Citation

Alpers, H. J. (1988). Lexikon der Science Fiction Literatur. Heyne.

Chicago Style (17th ed.) Citation

Alpers, Hans Joachim. Lexikon Der Science Fiction Literatur. München: Heyne, 1988.

MLA (9th ed.) Citation

Alpers, Hans Joachim. Lexikon Der Science Fiction Literatur. Heyne, 1988.

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