APA (7th ed.) Citation

Richard & -. (1975). Positive Economics: - (1975.). Britain.

Chicago Style (17th ed.) Citation

Richard and -. Positive Economics: -. 1975. Britain: Britain, 1975.

MLA (9th ed.) Citation

Richard and -. Positive Economics: -. 1975. Britain, 1975.

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