APA Style

Sweezy, Paul M.. (1981). Four Lectures on Marxism (1). New York: Monthly Review Press.

Chicago Style

Sweezy, Paul M.. Four Lectures on Marxism. 1 New York: Monthly Review Press, 1981. Text.

MLA Style

Sweezy, Paul M.. Four Lectures on Marxism. 1 New York: Monthly Review Press, 1981. Text.

Turabian Style

Sweezy, Paul M.. Four Lectures on Marxism. 1 New York: Monthly Review Press, 1981. Print.