APA

Whitney F. L., . (1950). The elements of research. New York: Prentice-Hall.

Chicago

Whitney Frederick Lamson, . 1950. The elements of research. New York: Prentice-Hall.

Harvard

Whitney F. L., . (1950). The elements of research. New York: Prentice-Hall.

MLA

Whitney Frederick Lamson, . The elements of research. New York: Prentice-Hall. 1950.