APA

McClelland D. G., Winter D. G., . (1969). Motivation economic achievement. New York: The Free Press.

Chicago

McClelland David G, Winter David G, . 1969. Motivation economic achievement. New York: The Free Press.

Harvard

McClelland D. G., Winter D. G., . (1969). Motivation economic achievement. New York: The Free Press.

MLA

McClelland David G, Winter David G, . Motivation economic achievement. New York: The Free Press. 1969.