APA

Smith H. T. U., . (1943). Aerial photographs and their applications. New York: Appleton.

Chicago

Smith H T U, . 1943. Aerial photographs and their applications. New York: Appleton.

Harvard

Smith H. T. U., . (1943). Aerial photographs and their applications. New York: Appleton.

MLA

Smith H T U, . Aerial photographs and their applications. New York: Appleton. 1943.