APA (7th ed.) Citation

Blish, J. (1979). Star trek 9. Severn House.

Chicago Style (17th ed.) Citation

Blish, James. Star Trek 9. London: Severn House, 1979.

MLA (8th ed.) Citation

Blish, James. Star Trek 9. Severn House, 1979.

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