Cita APA (7a ed.)

Heym, G., Schneider, K. L., & Martens, G. (1971). Georg Heym. Nymphenburger.

Cita Chicago Style (17a ed.)

Heym, Georg, Karl Ludwig Schneider, y Gunter Martens. Georg Heym. München: Nymphenburger, 1971.

Cita MLA (9a ed.)

Heym, Georg, et al. Georg Heym. Nymphenburger, 1971.