APA引文

Van Gigch, J. P. (1974). Applied general systems theory. Harper & Row.

Chicago Style (17th ed.) Citation

Van Gigch, John P. Applied General Systems Theory. New York: Harper & Row, 1974.

MLA引文

Van Gigch, John P. Applied General Systems Theory. Harper & Row, 1974.

警告：這些引文格式不一定是100％准確.