APA (7th ed.) Citation

Thirkettle. (1969). Wheldon's business statistics and statistical method (6th ed.). The English Language Book Society.

Chicago Style (17th ed.) Citation

Thirkettle. Wheldon's Business Statistics and Statistical Method. 6th ed. London: The English Language Book Society, 1969.

MLA (8th ed.) Citation

Thirkettle. Wheldon's Business Statistics and Statistical Method. 6th ed. The English Language Book Society, 1969.

Warning: These citations may not always be 100% accurate.