MLA

De Mey, Jean, and W. L Koster. European Crown Size and Multiples. Amsterdam: Mevius & Hirschhorn, 1975.

APA

De Mey, J., & Koster, W. L. (1975). European crown size and multiples. Amsterdam: Mevius & Hirschhorn.

Chicago

De Mey, Jean European Crown Size and Multiples. Translated by W. L Koster. Amsterdam: Mevius & Hirschhorn, 1975.