APA

Schell E., . (1952). The million dollar lecture: and letters to former students. New York: McGraw-Hill.

Chicago

Schell E, . 1952. The million dollar lecture: and letters to former students. New York: McGraw-Hill.

Harvard

Schell E., . (1952). The million dollar lecture: and letters to former students. New York: McGraw-Hill.

MLA

Schell E, . The million dollar lecture: and letters to former students. New York: McGraw-Hill. 1952.