APA (7th ed.) Citation

Robbins, L. C. R. (1935). An essay on the nature and significance of economic science (2nd ed., rev. and extended.). Macmillan.

Chicago Style (17th ed.) Citation

Robbins, Lionel Charles Robbins. An Essay on the Nature and Significance of Economic Science. 2nd ed., rev. and extended. London: Macmillan, 1935.

MLA (9th ed.) Citation

Robbins, Lionel Charles Robbins. An Essay on the Nature and Significance of Economic Science. 2nd ed., rev. and extended. Macmillan, 1935.