APA (7th ed.) Citation

Gill, R. T. (1974). Economics: A text with included readings. Prentice-Hall [etc.].

Chicago Style (17th ed.) Citation

Gill, Richard T. Economics: A Text with Included Readings. London: Prentice-Hall [etc.], 1974.

MLA (8th ed.) Citation

Gill, Richard T. Economics: A Text with Included Readings. Prentice-Hall [etc.], 1974.