APA (7th ed.) Citation

Ward, J. (1971). A guide to sales promotion. Institute of Practitioners in Advertising.

Chicago Style (17th ed.) Citation

Ward, John. A Guide to Sales Promotion. London: Institute of Practitioners in Advertising, 1971.

MLA (8th ed.) Citation

Ward, John. A Guide to Sales Promotion. Institute of Practitioners in Advertising, 1971.

Warning: These citations may not always be 100% accurate.