MLA

Vandeputte, Omer. Dutch: the Language of Twenty Million Dutch and Flemish People. Rekkem, 1981.

APA

Vandeputte, O. (1981). Dutch: the language of twenty million Dutch and Flemish people. Rekkem.

Chicago

Vandeputte, Omer Dutch: the Language of Twenty Million Dutch and Flemish People. Rekkem, 1981.