APA (7th ed.) Citation

Sapsford, D., & Ladd, J. D. (1978). Essential economics. Hart-Davis Educational.

Chicago Style (17th ed.) Citation

Sapsford, David, and James D. Ladd. Essential Economics. Great Britain: Hart-Davis Educational, 1978.

MLA (9th ed.) Citation

Sapsford, David, and James D. Ladd. Essential Economics. Hart-Davis Educational, 1978.

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