Style de citation APA (7e éd.)

Goetschius, P. (1938). Exercise in elementary counterpoint. G. Schirmer, Inc..

Style de citation Chicago (17e éd.)

Goetschius, Percy. Exercise in Elementary Counterpoint. New York: G. Schirmer, Inc., 1938.

Style de citation MLA (9e éd.)

Goetschius, Percy. Exercise in Elementary Counterpoint. G. Schirmer, Inc., 1938.