Cita APA (7a ed.)

Townsend, C. (1984). Using dBASE II. Osborne/McGraw-Hill.

Cita Chicago Style (17a ed.)

Townsend, Carl. Using DBASE II. Berkeley, Calif.: Osborne/McGraw-Hill, 1984.

Cita MLA (8a ed.)

Townsend, Carl. Using DBASE II. Osborne/McGraw-Hill, 1984.