APA (7th ed.) Citation

Asimakopulos, A. (1979). An introduction to economic theory. O U P.

Chicago Style (17th ed.) Citation

Asimakopulos, A. An Introduction to Economic Theory. Delhi: O U P, 1979.

MLA (9th ed.) Citation

Asimakopulos, A. An Introduction to Economic Theory. O U P, 1979.