Cita APA (7a ed.)

Townsend, R. M., & Warren, B. (1972). Imaginary line handwriting. Steck-Vaughn.

Cita Chicago Style (17a ed.)

Townsend, Rebecca Mae, y Betsy Warren. Imaginary Line Handwriting. Austin, Tex.: Steck-Vaughn, 1972.

Cita MLA (8a ed.)

Townsend, Rebecca Mae, y Betsy Warren. Imaginary Line Handwriting. Steck-Vaughn, 1972.