APA (7th ed.) Citation

Michels, J. (1947). De barrière der volkeren gehandhaafd.

Chicago Style (17th ed.) Citation

Michels, Jan. De Barrière Der Volkeren Gehandhaafd. 1947.

MLA (8th ed.) Citation

Michels, Jan. De Barrière Der Volkeren Gehandhaafd. 1947.

Warning: These citations may not always be 100% accurate.