APA (7th ed.) Citation

Wells, M. G. (1970). A critical evaluation of the literature relating advertising expenditure to economic concentration. [publisher not identified].

Chicago Style (17th ed.) Citation

Wells, Monroe Gaddy. A Critical Evaluation of the Literature Relating Advertising Expenditure to Economic Concentration. [College Station, Tex.]: [publisher not identified], 1970.

MLA (9th ed.) Citation

Wells, Monroe Gaddy. A Critical Evaluation of the Literature Relating Advertising Expenditure to Economic Concentration. [publisher not identified], 1970.