Those amazing Ringlings and their circus.

MLA

Plowden, Gene. Those Amazing Ringlings and Their Circus. New York: Bonanza Books, 1967.

APA

Plowden, G. (1967). Those amazing Ringlings and their circus. New York: Bonanza Books.

Chicago

Plowden, Gene Those Amazing Ringlings and Their Circus. New York: Bonanza Books, 1967.