Cita APA (7a ed.)

Graba, H., Ruhl, W., Dodegge, G., Firsching, K., Graba, H., Dodegge, G., & Firsching, K. (1979). Familienrecht. Beck.

Cita Chicago Style (17a ed.)

Graba, Hans-Ulrich, Werner Ruhl, Georg Dodegge, Karl Firsching, Hans-Ulrich Graba, Georg Dodegge, y Karl Firsching. Familienrecht. München: Beck, 1979.

Cita MLA (8a ed.)

Graba, Hans-Ulrich, et al. Familienrecht. Beck, 1979.