Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

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