Cita APA (7th ed.)

Van, D. J. (1975). Practical systems and procedures manual. Reston Pub.

Cita Chicago (17th ed.)

Van, Duyn Julia. Practical Systems and Procedures Manual. Reston Va: Reston Pub, 1975.

Cita MLA (9th ed.)

Van, Duyn Julia. Practical Systems and Procedures Manual. Reston Pub, 1975.