APA (7th ed.) Citation

Barnum, R. R. Tinkle, the Trick Pony: His Many Adventures.

Chicago Style (17th ed.) Citation

Barnum, Richard; Rogers. Tinkle, the Trick Pony: His Many Adventures.

MLA (9th ed.) Citation

Barnum, Richard; Rogers. Tinkle, the Trick Pony: His Many Adventures.

Warning: These citations may not always be 100% accurate.