APA (7th ed.) Citation

Gorki, M., Duhamel, G., & Zweig, S. (1926). Liber amicorum Romain Rolland. Rotapfel-Verlag.

Chicago Style (17th ed.) Citation

Gorki, Máximo, Georges Duhamel, and Stefan Zweig. Liber Amicorum Romain Rolland. Zürich: Rotapfel-Verlag, 1926.

MLA (9th ed.) Citation

Gorki, Máximo, et al. Liber Amicorum Romain Rolland. Rotapfel-Verlag, 1926.