APA (7th ed.) Citation

Gallagher, R. E., & Burkhardt, G. A. (1970). Our economic environment (Rev. and enlarged ed. (i.e.2nd.).

Chicago Style (17th ed.) Citation

Gallagher, R. E., and G. A. Burkhardt. Our Economic Environment. Rev. and enlarged ed. (i.e.2nd. Syd, 1970.

MLA (8th ed.) Citation

Gallagher, R. E., and G. A. Burkhardt. Our Economic Environment. Rev. and enlarged ed. (i.e.2nd. 1970.