APA (7th ed.) Citation

Koopmans, T. C. (1965). On the concept of optimal economic growth. [s.n.].

Chicago Style (17th ed.) Citation

Koopmans, Tjalling Charles. On the Concept of Optimal Economic Growth. [S.l.]: [s.n.], 1965.

MLA (9th ed.) Citation

Koopmans, Tjalling Charles. On the Concept of Optimal Economic Growth. [s.n.], 1965.