Cita APA (7a ed.)

Yohe, R. S. (1969). Exploring regions of the eastern hemisphere. Follett.

Cita Chicago Style (17a ed.)

Yohe, Ralph Sandlin. Exploring Regions of the Eastern Hemisphere. Chicago: Follett, 1969.

Cita MLA (9a ed.)

Yohe, Ralph Sandlin. Exploring Regions of the Eastern Hemisphere. Follett, 1969.