APA (7th ed.) Citation

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 (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.