APA (7th ed.) Citation

Ferguson, H., Negri, A., & Poggi, G. (1983). Essays in experimental psychology. Macmillan.

Chicago Style (17th ed.) Citation

Ferguson, Harvie, Antonio Negri, and Gianfranco Poggi. Essays in Experimental Psychology. London: Macmillan, 1983.

MLA (9th ed.) Citation

Ferguson, Harvie, et al. Essays in Experimental Psychology. Macmillan, 1983.