APA引文

Erneholm, I. (1948). Cacao production of South America: Historical development and present geographical distribution.

Chicago Style (17th ed.) Citation

Erneholm, Ivar. Cacao Production of South America: Historical Development and Present Geographical Distribution. Gothenburg, 1948.

MLA引文

Erneholm, Ivar. Cacao Production of South America: Historical Development and Present Geographical Distribution. 1948.

警告：这些引文格式不一定是100％准确.