APA (7th ed.) Citation

Contemporary societies towards free time (Conference) 1979, Brussels, & Van Cle Foundation. (1981). Leisure in crisis time (Conference) 1979, Brussels. [Papers of the Congress] ... Van Cle.

Chicago Style (17th ed.) Citation

Contemporary societies towards free time (Conference) 1979, Brussels, and Van Cle Foundation. Leisure in Crisis Time (Conference) 1979, Brussels. [Papers of the Congress] ... Van Cle, 1981.

MLA (9th ed.) Citation

Contemporary societies towards free time (Conference) 1979, Brussels, and Van Cle Foundation. Leisure in Crisis Time (Conference) 1979, Brussels. [Papers of the Congress] ... Van Cle, 1981.

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