Cita APA (7th ed.)

(1969). Progressive filing / [by] Gilbert Kahn, Theodore Yerian [and] Jeffrey R. Stewart, Jr.

Cita Chicago (17th ed.)

Progressive Filing / [by] Gilbert Kahn, Theodore Yerian [and] Jeffrey R. Stewart, Jr. 1969.

Cita MLA (9th ed.)

Progressive Filing / [by] Gilbert Kahn, Theodore Yerian [and] Jeffrey R. Stewart, Jr. 1969.

Atenció: Aquestes cites poden no estar 100% correctes.