Cita APA (7a ed.)

Shear, S., & Lynch, M. T. (1908). The Baldwin speller.

Cita Chicago Style (17a ed.)

Shear, S.R, y Margaret T. Lynch. The Baldwin Speller. New York, 1908.

Cita MLA (9a ed.)

Shear, S.R, y Margaret T. Lynch. The Baldwin Speller. 1908.