APA (7th ed.) Citation

Langeveld, H. (1978). Programma: Vondelpark openluchttheater 19-23 [juli?].

Chicago Style (17th ed.) Citation

Langeveld, Henk. Programma: Vondelpark Openluchttheater 19-23 [juli?]. 1978.

MLA (8th ed.) Citation

Langeveld, Henk. Programma: Vondelpark Openluchttheater 19-23 [juli?]. 1978.

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