APA引文

Roppe, L. (1953). Limburg. Brussel: Elsevier.

Chicago Style (17th ed.) Citation

Roppe, Louis. Limburg. Brussel: Elsevier, 1953.

MLA引文

Roppe, Louis. Limburg. Brussel: Elsevier, 1953.

警告：這些引文格式不一定是100％准確.