Cita APA (7a ed.)

Haydn, J., & Heilbut, P. (1979). Cellobuch. Heinrichshofen.

Cita Chicago Style (17a ed.)

Haydn, Joseph, y Peter Heilbut. Cellobuch. Wilhelmshaven: Heinrichshofen, 1979.

Cita MLA (8a ed.)

Haydn, Joseph, y Peter Heilbut. Cellobuch. Heinrichshofen, 1979.