APA (7th ed.) Citation

Leontief, W. (1966). Input-output economics. Oxford University Press.

Chicago Style (17th ed.) Citation

Leontief, Wassily. Input-output Economics. New York [etc.]: Oxford University Press, 1966.

MLA (9th ed.) Citation

Leontief, Wassily. Input-output Economics. Oxford University Press, 1966.