Cita APA (7th ed.)

Michigan, E. A. (1998). Speed writing - with spell check: E.A. Michigan. SSMB.

Cita Chicago (17th ed.)

Michigan, E. A. Speed Writing - with Spell Check: E.A. Michigan. Singapore: SSMB, 1998.

Cita MLA (8th ed.)

Michigan, E. A. Speed Writing - with Spell Check: E.A. Michigan. SSMB, 1998.