APA

McClelland David C, Winter David G, . (1969). Motivating ecnomic achievement. New York: The Free Press.

Chicago

McClelland David C, Winter David G, . 1969. Motivating ecnomic achievement. New York: The Free Press.

Harvard

McClelland David C, Winter David G, . (1969). Motivating ecnomic achievement. New York: The Free Press.

MLA

McClelland David C, Winter David G, . Motivating ecnomic achievement. New York: The Free Press. 1969.