APA-Zitierstil (7. Ausg.)

Langfeld, G. Greman art in the Netherlands before and after World War II: Gregor Langfeld. Avant-Garde and criticism.(2007).

Chicago-Zitierstil (17. Ausg.)

Langfeld, Gregor. "Greman Art in the Netherlands Before and After World War II: Gregor Langfeld." Avant-Garde and Criticism.(2007) .

MLA-Zitierstil (8. Ausg.)

Langfeld, Gregor. "Greman Art in the Netherlands Before and After World War II: Gregor Langfeld." Avant-Garde and Criticism.(2007), .

警告：這些引文格式不一定是100％准確.