Cytowanie według stylu APA (wyd. 7)

Ambler, C. H. (1970). A history of transportation in the Ohio Valley: With special reference to its waterways, trade, and commerce from the earliest period to the present time. Greenwood Press.

Cytowanie według stylu Chicago (wyd. 17)

Ambler, Charles Henry. A History of Transportation in the Ohio Valley: With Special Reference to Its Waterways, Trade, and Commerce from the Earliest Period to the Present Time. Westport, Conn.: Greenwood Press, 1970.

Cytowanie według stylu MLA (wyd. 8)

Ambler, Charles Henry. A History of Transportation in the Ohio Valley: With Special Reference to Its Waterways, Trade, and Commerce from the Earliest Period to the Present Time. Greenwood Press, 1970.