Cita APA (7a ed.)

Lenin, W. I. (1973). Was tun? Philipp Reclam jun..

Cita Chicago Style (17a ed.)

Lenin, Wladimir Iljitsch. Was Tun? Leipzig: Philipp Reclam jun., 1973.

Cita MLA (8a ed.)

Lenin, Wladimir Iljitsch. Was Tun? Philipp Reclam jun., 1973.