APA citiranje

Harcourt, G. C., Karmel, P. H., & Wallace, R. H. (1967). Economic activity. University Press.

Chicago Style (17th ed.) Citation

Harcourt, G. C., P. H. Karmel, and R. H. Wallace. Economic Activity. Cambridge: University Press, 1967.

MLA citiranje

Harcourt, G. C., et al. Economic Activity. University Press, 1967.