Ringling Bros and Barnum & Bailey combined circus : : Route book.

MLA

Mayer, Frank J. Ringling Bros and Barnum & Bailey Combined Circus : Route Book. New York: Joseph Mayer Publishing Inc., 1936.

APA

Mayer, F. J. (1936). Ringling Bros and Barnum & Bailey combined circus : Route book. New York: Joseph Mayer Publishing Inc.

Chicago

Mayer, Frank J. Ringling Bros and Barnum & Bailey Combined Circus: Route Book. New York: Joseph Mayer Publishing Inc., 1936.