APA (7th ed.) Citation

Hadley, G., & Kemp, M. C. (1973). Variational methods in economics (2. print.). North-Holland Publ. Co.

Chicago Style (17th ed.) Citation

Hadley, George, and Murray C. Kemp. Variational Methods in Economics. 2. print. Amsterdam: North-Holland Publ. Co, 1973.

MLA (9th ed.) Citation

Hadley, George, and Murray C. Kemp. Variational Methods in Economics. 2. print. North-Holland Publ. Co, 1973.