Historical letters.

MLA

Lavrov, P. L, and James P Scalan. Historical Letters. Berkeley,: University of California Press, 1967.

APA

Lavrov, P. L, & Scalan, J. P. (1967). Historical letters. Berkeley,: University of California Press.

Chicago

Lavrov, P. L. Historical Letters.. Translated by James P Scalan. Berkeley,: University of California Press, 1967.