APA引文

Schumann, R., & Schumann, C. (1972). Piano music of Robert Schumann. Dover Publications.

Chicago Style (17th ed.) Citation

Schumann, Robert., and Clara Schumann. Piano Music of Robert Schumann. New York: Dover Publications, 1972.

MLA引文

Schumann, Robert., and Clara Schumann. Piano Music of Robert Schumann. Dover Publications, 1972.