Cita APA (7a ed.)

American Data Processing. (1970). Total systems (1a ed.). American Data Processing, Inc.

Cita Chicago Style (17a ed.)

American Data Processing. Total Systems. 1a ed. Detroit: American Data Processing, Inc, 1970.

Cita MLA (9a ed.)

American Data Processing. Total Systems. 1a ed. American Data Processing, Inc, 1970.