APA

Snygg D., Combs A. W., . (1949). Individual behavior: a new frame of reference for psychology. New York: Harper.

Chicago

Snygg Donald, Combs Arthur Wright, . 1949. Individual behavior: a new frame of reference for psychology. New York: Harper.

Harvard

Snygg D., Combs A. W., . (1949). Individual behavior: a new frame of reference for psychology. New York: Harper.

MLA

Snygg Donald, Combs Arthur Wright, . Individual behavior: a new frame of reference for psychology. New York: Harper. 1949.