APA (7th ed.) Citation

Hartl, K. (1958). Pressure-Groups in Great Britain: An attempt at systematic classification. Les cahiers de Bruges. - Collège d'Europe.

Chicago Style (17th ed.) Citation

Hartl, Klaus. "Pressure-Groups in Great Britain: An Attempt at Systematic Classification." Les Cahiers De Bruges. - Collège D'Europe 1958.

MLA (8th ed.) Citation

Hartl, Klaus. "Pressure-Groups in Great Britain: An Attempt at Systematic Classification." Les Cahiers De Bruges. - Collège D'Europe, 1958.

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