Cita APA (7a ed.)

Smith, E. E. D. (1973). Masters of the Vortex: (original title: The Vortex Blaster); the seventh novel of the Lensman series. Panther.

Cita Chicago Style (17a ed.)

Smith, E. E. Doc. Masters of the Vortex: (original Title: The Vortex Blaster); the Seventh Novel of the Lensman Series. St Albans: Panther, 1973.

Cita MLA (8a ed.)

Smith, E. E. Doc. Masters of the Vortex: (original Title: The Vortex Blaster); the Seventh Novel of the Lensman Series. Panther, 1973.