Cita APA (7a ed.)

Klir, G. J. (1969). An approach to general systems theory. Van Nostrand Reinhold Company Ltd.

Cita Chicago Style (17a ed.)

Klir, George J. An Approach to General Systems Theory. New York: Van Nostrand Reinhold Company Ltd, 1969.

Cita MLA (9a ed.)

Klir, George J. An Approach to General Systems Theory. Van Nostrand Reinhold Company Ltd, 1969.