Cita APA (7a ed.)

Henderson, J. L. (1966). World Questions: A study guide (2. ed.). Methuen.

Cita Chicago Style (17a ed.)

Henderson, James Lewis. World Questions: A Study Guide. 2. ed. London: Methuen, 1966.

Cita MLA (9a ed.)

Henderson, James Lewis. World Questions: A Study Guide. 2. ed. Methuen, 1966.