APA (7th ed.) Citation

ScienceDirect (Online service), Creedy, J., & O'Brien, D. P. (1984). Economic analysis in historical perspective. Butterworths.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), John Creedy, and D. P. O'Brien. Economic Analysis in Historical Perspective. London ; Boston: Butterworths, 1984.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Economic Analysis in Historical Perspective. Butterworths, 1984.