APA (7th ed.) Citation

Lucas, R. E. (1988). On the mechanics of economic development. [s.n.].

Chicago Style (17th ed.) Citation

Lucas, Robert E. On the Mechanics of Economic Development. [S.l.]: [s.n.], 1988.

MLA (9th ed.) Citation

Lucas, Robert E. On the Mechanics of Economic Development. [s.n.], 1988.