APA (7th ed.) Citation

Goodchild, G., & Mottram, M. (1919). "Old Sport": The romance of a warhorse. Jarrolds.

Chicago Style (17th ed.) Citation

Goodchild, George, and Maurice Mottram. "Old Sport": The Romance of a Warhorse. London: Jarrolds, 1919.

MLA (9th ed.) Citation

Goodchild, George, and Maurice Mottram. "Old Sport": The Romance of a Warhorse. Jarrolds, 1919.

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