MLA

Kabouterkrant : Gemeenteblad Van Kabouterstad Amsterdam. Kollektief "De Kabouterkrant", 1970. https://collections.library.yale.edu/catalog/10079722.

APA, 6th edition

Kabouterkrant : gemeenteblad van kabouterstad Amsterdam. (1970). [Cartoons (humorous images) (AAT), Halftones, periodicals (AAT), Photomechanical prints]. Kollektief "De Kabouterkrant", https://collections.library.yale.edu/catalog/10079722.