Cita APA (7a ed.)

Down, R. (1992). Environmental control systems (2a. ed.). ISA.

Cita Chicago Style (17a ed.)

Down, Randy. Environmental Control Systems. 2a. ed. Research Triangle Park, NC: ISA, 1992.

Cita MLA (8a ed.)

Down, Randy. Environmental Control Systems. 2a. ed. ISA, 1992.