Free Composition

MLA

Schenker, Heinrich, and Ernst Oster. Free Composition. New York: Longman, 1979.

APA

Schenker, H., & Oster, E. (1979). Free Composition. New York: Longman.

Chicago

Schenker, Heinrich Free Composition. Translated by Ernst Oster. New York: Longman, 1979.