APA (7th ed.) Citation

Allen, R. G. D. (1975). Index numbers in theory and practice. Aldine Pub.

Chicago Style (17th ed.) Citation

Allen, Roy George Douglas. Index Numbers in Theory and Practice. Chicago: Aldine Pub, 1975.

MLA (9th ed.) Citation

Allen, Roy George Douglas. Index Numbers in Theory and Practice. Aldine Pub, 1975.