APA (7th ed.) Citation

Krupskaja, N. K. (1920). How Lenin studied Marx. o.V.

Chicago Style (17th ed.) Citation

Krupskaja, Nadežda Konstantinovna. How Lenin Studied Marx. London: o.V, 1920.

MLA (9th ed.) Citation

Krupskaja, Nadežda Konstantinovna. How Lenin Studied Marx. o.V, 1920.

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