Cita APA (7a ed.)

Green, S. R. (2015). Forces from beyond (Ace mass-market edition.). Ace Books.

Cita Chicago Style (17a ed.)

Green, Simon R. Forces from Beyond. Ace mass-market edition. New York: Ace Books, 2015.

Cita MLA (8a ed.)

Green, Simon R. Forces from Beyond. Ace mass-market edition. Ace Books, 2015.

Precaución: Estas citas no son 100% exactas.