APA (7th ed.) Citation

Psacharopoulos, G., & Hinchcliffe, K. (1973). Returns to education : an international comparison / [by] George Psacharopoulos assisted by Keith Hinchcliffe: An international comparison. Elsevier.

Chicago Style (17th ed.) Citation

Psacharopoulos, George, and Keith Hinchcliffe. Returns to Education : An International Comparison / [by] George Psacharopoulos Assisted by Keith Hinchcliffe: An International Comparison. Amsterdam ; London: Elsevier, 1973.

MLA (9th ed.) Citation

Psacharopoulos, George, and Keith Hinchcliffe. Returns to Education : An International Comparison / [by] George Psacharopoulos Assisted by Keith Hinchcliffe: An International Comparison. Elsevier, 1973.

Warning: These citations may not always be 100% accurate.