APA (7th ed.) Citation

Herfindahl, O. C. (1969). Natural Resource Information for economic development. Hopkins.

Chicago Style (17th ed.) Citation

Herfindahl, Orris C. Natural Resource Information for Economic Development. Baltimore, Maryl: Hopkins, 1969.

MLA (9th ed.) Citation

Herfindahl, Orris C. Natural Resource Information for Economic Development. Hopkins, 1969.