APA (7th ed.) Citation

Åkerman, J., Sprigge, E., & Napier, C. (1932). Economic progress and economic crises. Macmillan.

Chicago Style (17th ed.) Citation

Åkerman, Johan, Elizabeth Sprigge, and Claude Napier. Economic Progress and Economic Crises. London: Macmillan, 1932.

MLA (9th ed.) Citation

Åkerman, Johan, et al. Economic Progress and Economic Crises. Macmillan, 1932.