APA引文

Hough, B. O. (1920). Ocean traffic and trade. Lasalle Extension University.

Chicago Style (17th ed.) Citation

Hough, Benjamin Olney. Ocean Traffic and Trade. Chicago: Lasalle Extension University, 1920.

MLA引文

Hough, Benjamin Olney. Ocean Traffic and Trade. Lasalle Extension University, 1920.

警告：這些引文格式不一定是100％准確.