APA (7th ed.) Citation

Psacharopoulos, G., & Hinchliffe, K. (1973). Returns to education: An international comparison. Elsevier Scientific Pub.

Chicago Style (17th ed.) Citation

Psacharopoulos, George, and Keith Hinchliffe. Returns to Education: An International Comparison. Amsterdam: Elsevier Scientific Pub, 1973.

MLA (9th ed.) Citation

Psacharopoulos, George, and Keith Hinchliffe. Returns to Education: An International Comparison. Elsevier Scientific Pub, 1973.