APA

Treadgold M., . (1968). The polly Harris. London: Hamish Hamilton.

Chicago

Treadgold Mary, . 1968. The polly Harris. London: Hamish Hamilton.

Harvard

Treadgold M., . (1968). The polly Harris. London: Hamish Hamilton.

MLA

Treadgold Mary, . The polly Harris. London: Hamish Hamilton. 1968.