APA (7th ed.) Citation

KELLOCK, J. (1982). A practical guide to good bookeeping abd business system. Business Book.

Chicago Style (17th ed.) Citation

KELLOCK, John. A Practical Guide to Good Bookeeping Abd Business System. London: Business Book, 1982.

MLA (8th ed.) Citation

KELLOCK, John. A Practical Guide to Good Bookeeping Abd Business System. Business Book, 1982.

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