Cita APA (7a ed.)

Michaelsen, K. (1946). Learning English. Follett Pub. Co..

Cita Chicago Style (17a ed.)

Michaelsen, Katherine. Learning English. Chicago: Follett Pub. Co., 1946.

Cita MLA (8a ed.)

Michaelsen, Katherine. Learning English. Follett Pub. Co., 1946.