APA (7th ed.) Citation

(1970). De Rotterdamse havenstaking aug.-sept. '70. [s.n.].

Chicago Style (17th ed.) Citation

De Rotterdamse Havenstaking Aug.-sept. '70. [s.n.], 1970.

MLA (8th ed.) Citation

De Rotterdamse Havenstaking Aug.-sept. '70. [s.n.], 1970.

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