APA

Trethowan I., . (1961). The basis of belief. New York: Hawthorn Books.

Chicago

Trethowan Illtyd, . 1961. The basis of belief. New York: Hawthorn Books.

Harvard

Trethowan I., . (1961). The basis of belief. New York: Hawthorn Books.

MLA

Trethowan Illtyd, . The basis of belief. New York: Hawthorn Books. 1961.