APA (7th ed.) Citation

Callan, J. (1988). The economics of prenatal screening.

Chicago Style (17th ed.) Citation

Callan, Joe. The Economics of Prenatal Screening. York, 1988.

MLA (9th ed.) Citation

Callan, Joe. The Economics of Prenatal Screening. 1988.

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