MLA

de Sturler, Jean, and Nelly Johanna Martina Kerling. Kerling (n.-j.-m.), Commercial Relations of Holland and Zeeland with England From the Late 13th Century to the Close of the Middle-ages. Paris: s.n., .d.

APA

de Sturler, J., & Kerling, N. Johanna Martina. (.d). Kerling (N.-J.-M.), Commercial relations of Holland and Zeeland with England from the late 13th century to the close of the middle-ages. Paris: s.n.

Chicago

de Sturler, Jean, and Nelly Johanna Martina Kerling. Kerling (N.-J.-M.), Commercial Relations of Holland and Zeeland with England From the Late 13th Century to the Close of the Middle-Ages. Paris: s.n., .d.