APA Edition Citation

Hardwick, P., Khan, B., & Langmead, J. (1994). Introduction to modern economics (4th ed.). The Educational Low-Priced Books Scheme.

Chicago Edition Citation

Hardwick, Philip, Bahadur Khan, and John Langmead. Introduction to Modern Economics. 4th ed. London: The Educational Low-Priced Books Scheme, 1994.

MLA Edition Citation

Hardwick, Philip, et al. Introduction to Modern Economics. 4th ed. The Educational Low-Priced Books Scheme, 1994.