Cita APA (7a ed.)

Clodd, E. (1938). The History of the Alphabet. Appleton - Century - Crofts.

Cita Chicago Style (17a ed.)

Clodd, Edward. The History of the Alphabet. New York: Appleton - Century - Crofts, 1938.

Cita MLA (8a ed.)

Clodd, Edward. The History of the Alphabet. Appleton - Century - Crofts, 1938.