APA (7th ed.) Citation

Stuvel, G. (1989). The index-number problem and its solution. Macmillan.

Chicago Style (17th ed.) Citation

Stuvel, Gerhard. The Index-number Problem and Its Solution. Basingstoke: Macmillan, 1989.

MLA (9th ed.) Citation

Stuvel, Gerhard. The Index-number Problem and Its Solution. Macmillan, 1989.