APA (7th ed.) Citation

Gertler, P., & Gaag, J. v. (1990). The willingness to pay for medical care: Evidence from two developing countries (1. print.). Johns Hopkins Univ. Press.

Chicago Style (17th ed.) Citation

Gertler, Paul, and Jacques van Gaag. The Willingness to Pay for Medical Care: Evidence from Two Developing Countries. 1. print. Baltimore u.a: Johns Hopkins Univ. Press, 1990.

MLA (9th ed.) Citation

Gertler, Paul, and Jacques van Gaag. The Willingness to Pay for Medical Care: Evidence from Two Developing Countries. 1. print. Johns Hopkins Univ. Press, 1990.