APA引文

Elcker-Ik. (1975). af017388: Portugal in beweging.

芝加哥风格引文

Elcker-Ik. Af017388: Portugal in Beweging. 1975.

MLA引文

Elcker-Ik. Af017388: Portugal in Beweging. 1975.

警告：这些引文格式不一定是100％准确.