Cita APA (7a ed.)

Rottger, E. (1963). Creative drawing: Point and line. Reinhold.

Cita Chicago Style (17a ed.)

Rottger, Ernest. Creative Drawing: Point and Line. New York: Reinhold, 1963.

Cita MLA (9a ed.)

Rottger, Ernest. Creative Drawing: Point and Line. Reinhold, 1963.