APA (7th ed.) Citation

Whitehead, G. (1993). Book-keeping mode simple. Mode Simple Books.

Chicago Style (17th ed.) Citation

Whitehead, Geoffrey. Book-keeping Mode Simple. Mode Simple Books, 1993.

MLA (8th ed.) Citation

Whitehead, Geoffrey. Book-keeping Mode Simple. Mode Simple Books, 1993.

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