APA

Snyder L. L., . (1955). Fifty major documents of the twentieth century. New York: Van Nostrand.

Chicago

Snyder Louis Leo, . 1955. Fifty major documents of the twentieth century. New York: Van Nostrand.

Harvard

Snyder L. L., . (1955). Fifty major documents of the twentieth century. New York: Van Nostrand.

MLA

Snyder Louis Leo, . Fifty major documents of the twentieth century. New York: Van Nostrand. 1955.