APA (7th ed.) Citation

Phelps, O. W. (1967). Introduction to labour economics (4thrd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Phelps, Orme Wheelock. Introduction to Labour Economics. 4thrd ed. New York: McGraw-Hill, 1967.

MLA (8th ed.) Citation

Phelps, Orme Wheelock. Introduction to Labour Economics. 4thrd ed. McGraw-Hill, 1967.

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