Ringling bros and Barnum & Bailey combined shows : : Route, personnel and statistics for the season of 1949.

MLA

Ringling North, John. Ringling Bros and Barnum & Bailey Combined Shows : Route, Personnel and Statistics for the Season of 1949. New York: New York Office, 1949.

APA

Ringling North, J. (1949). Ringling bros and Barnum & Bailey combined shows : Route, personnel and statistics for the season of 1949. New York: New York Office.

Chicago

Ringling North, John Ringling Bros and Barnum & Bailey Combined Shows: Route, Personnel and Statistics for the Season of 1949. New York: New York Office, 1949.