APA (7th ed.) Citation
Spencer, N. (1985). A Text-book of business calculations. Heineman Educational Books.
Chicago Style (17th ed.) Citation
Spencer, Norman. A Text-book of Business Calculations. Nairobi: Heineman Educational Books, 1985.
MLA (9th ed.) Citation
Spencer, Norman. A Text-book of Business Calculations. Heineman Educational Books, 1985.
Warning: These citations may not always be 100% accurate.