APA (7th ed.) Citation

Blish, J., & Lawrence, J. A. (1979). Star trek 12. Severn House.

Chicago Style (17th ed.) Citation

Blish, James, and J. A. Lawrence. Star Trek 12. London: Severn House, 1979.

MLA (8th ed.) Citation

Blish, James, and J. A. Lawrence. Star Trek 12. Severn House, 1979.

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