APA (7th ed.) Citation

Zweig, A. (1961). Baruch Spinoza. Insel-Verlag.

Chicago Style (17th ed.) Citation

Zweig, Arnold. Baruch Spinoza. Leipzig: Insel-Verlag, 1961.

MLA (8th ed.) Citation

Zweig, Arnold. Baruch Spinoza. Insel-Verlag, 1961.

Warning: These citations may not always be 100% accurate.