Cita APA (7a ed.)

Heß, H., Schmidt-Ewald, W., & Schmidt, K. (1927). Gotha. Engelhard-Reyher.

Cita Chicago Style (17a ed.)

Heß, Heinrich, Walter Schmidt-Ewald, y Kurt Schmidt. Gotha. Gotha: Engelhard-Reyher, 1927.

Cita MLA (8a ed.)

Heß, Heinrich, et al. Gotha. Engelhard-Reyher, 1927.