APA (7th ed.) Citation

Papert, S., Grainger, M., & Pennington, B. (1961). Belgium: The general strike. London: Agitator.

Chicago Style (17th ed.) Citation

Papert, S., Martin Grainger, and Bob Pennington. Belgium: The General Strike. London: Agitator, 1961.

MLA (8th ed.) Citation

Papert, S., et al. Belgium: The General Strike. London: Agitator, 1961.

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