APA (7th ed.) Citation

Langeveld, H. (1977). Mensa feestweek.

Chicago Style (17th ed.) Citation

Langeveld, Henk. Mensa Feestweek. 1977.

MLA (8th ed.) Citation

Langeveld, Henk. Mensa Feestweek. 1977.

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