APA

Croxton F. E., Cowden D. J., . (1939). Applied general statistics. New York: Prentice-Hall.

Chicago

Croxton Frederick Emory, Cowden Dudley Johnstone, . 1939. Applied general statistics. New York: Prentice-Hall.

Harvard

Croxton F. E., Cowden D. J., . (1939). Applied general statistics. New York: Prentice-Hall.

MLA

Croxton Frederick Emory, Cowden Dudley Johnstone, . Applied general statistics. New York: Prentice-Hall. 1939.