APA (7th ed.) Citation

Ruark, R. C. (1993). The old man and the boy (1st Owl Book ed.). Henry Holt.

Chicago Style (17th ed.) Citation

Ruark, Robert Chester. The Old Man and the Boy. 1st Owl Book ed. New York: Henry Holt, 1993.

MLA (9th ed.) Citation

Ruark, Robert Chester. The Old Man and the Boy. 1st Owl Book ed. Henry Holt, 1993.