The Greatest show on earth.

MLA

Leiner, Katherine, and Robert Metgzer. The Greatest Show On Earth. La Jolle: Oak Tree Publications, 1980.

APA

Leiner, K., & Metgzer, R. (1980). The Greatest show on earth. La Jolle: Oak Tree Publications.

Chicago

Leiner, Katherine, and Robert Metgzer. The Greatest Show On Earth. La Jolle: Oak Tree Publications, 1980.