APA (7th ed.) Citation

Ruark, R. C. (1989). The old man and the boy. Stackpole Books.

Chicago Style (17th ed.) Citation

Ruark, Robert Chester. The Old Man and the Boy. Harrisburg, Pa: Stackpole Books, 1989.

MLA (9th ed.) Citation

Ruark, Robert Chester. The Old Man and the Boy. Stackpole Books, 1989.

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