APA
Altshuler A. A., Howitt A. M. & Gomez-Ibanez J. A. (1993). Regulation for revenue. Washington: Brookings Institution.
Chicago
Altshuler Alan A, Howitt Arnold M and Gomez-Ibanez Jose A. 1993. Regulation for revenue. Washington: Brookings Institution.
Harvard
Altshuler A. A., Howitt A. M. and Gomez-Ibanez J. A. (1993). Regulation for revenue. Washington: Brookings Institution.
MLA
Altshuler Alan A, Howitt Arnold M and Gomez-Ibanez Jose A. Regulation for revenue. Washington: Brookings Institution. 1993.