APA

Ruark R. C., . (1961). The Old Man's boy grows older. : Holt.

Chicago

Ruark Robert Chester, . 1961. The Old Man's boy grows older. : Holt.

Harvard

Ruark R. C., . (1961). The Old Man's boy grows older. : Holt.

MLA

Ruark Robert Chester, . The Old Man's boy grows older. : Holt. 1961.