APA ציטוט

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.

ציטוט MLA

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