Cita APA (7a ed.)

Simon, B. (1963). The challenge of Marxism. Lawrence & Wishart.

Cita Chicago Style (17a ed.)

Simon, Brian. The Challenge of Marxism. London: Lawrence & Wishart, 1963.

Cita MLA (8a ed.)

Simon, Brian. The Challenge of Marxism. Lawrence & Wishart, 1963.