Cita APA (7a ed.)

Harder, R., & Marg, W. (1960). Kleine Schriften. C.H. Beck.

Cita Chicago Style (17a ed.)

Harder, Richard, y Walter Marg. Kleine Schriften. München: C.H. Beck, 1960.

Cita MLA (9a ed.)

Harder, Richard, y Walter Marg. Kleine Schriften. C.H. Beck, 1960.