APA (7th ed.) Citation

Thirkettle, G. L., & Wheldon, H. J. (1976). Wheldon's Business statistics and statistical method (9th ed.). Macdonald and Evans.

Chicago Style (17th ed.) Citation

Thirkettle, G. L., and Harold J. Wheldon. Wheldon's Business Statistics and Statistical Method. 9th ed. Plymouth: Macdonald and Evans, 1976.

MLA (9th ed.) Citation

Thirkettle, G. L., and Harold J. Wheldon. Wheldon's Business Statistics and Statistical Method. 9th ed. Macdonald and Evans, 1976.