Cita APA (7a ed.)

Coronet Instructional Films & Lemmert, D. (1970). Alphabetic filing. Coronet Instructional Films.

Cita Chicago Style (17a ed.)

Coronet Instructional Films y Dorothy Lemmert. Alphabetic Filing. Chicago: Coronet Instructional Films, 1970.

Cita MLA (8a ed.)

Coronet Instructional Films y Dorothy Lemmert. Alphabetic Filing. Coronet Instructional Films, 1970.