APA (7th ed.) Citation

(1927). Rapid arithmetic calculations: Mechanical practice and mental tests : for individual work & class tuition with answers. Humphrey Milford.

Chicago Style (17th ed.) Citation

Rapid Arithmetic Calculations: Mechanical Practice and Mental Tests : For Individual Work & Class Tuition with Answers. London: Humphrey Milford, 1927.

MLA (9th ed.) Citation

Rapid Arithmetic Calculations: Mechanical Practice and Mental Tests : For Individual Work & Class Tuition with Answers. Humphrey Milford, 1927.

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