Cita APA (7a ed.)

Beethoven, L. v. (1894). Symphonies: Piano, four- hands, op.68. G.Schirmer, inc.

Cita Chicago Style (17a ed.)

Beethoven, Ludwing van. Symphonies: Piano, Four- Hands, Op.68. New York: G.Schirmer, inc, 1894.

Cita MLA (8a ed.)

Beethoven, Ludwing van. Symphonies: Piano, Four- Hands, Op.68. G.Schirmer, inc, 1894.