APA (7e ed.) Bronvermelding

Michels, R. (1959). Political parties: A sociological study of the oligarchical tendencies of modern democracy. Dover Publications.

Chicago (17e ed.) Bronvermelding

Michels, Robert. Political Parties: A Sociological Study of the Oligarchical Tendencies of Modern Democracy. Nueva York: Dover Publications, 1959.

MLA (9e ed.) Bronvermelding

Michels, Robert. Political Parties: A Sociological Study of the Oligarchical Tendencies of Modern Democracy. Dover Publications, 1959.