APA (7th ed.) Citation

Gumplowicz, L. (1902). Emile Vandervelde.

Chicago Style (17th ed.) Citation

Gumplowicz, Ladislaus. Emile Vandervelde. 1902.

MLA (9th ed.) Citation

Gumplowicz, Ladislaus. Emile Vandervelde. 1902.

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