APA (7th ed.) Citation

Marsh, D. G., Lockhart, A., & Holgate, S. T. (1993). The genetics of asthma. Blackwell.

Chicago Style (17th ed.) Citation

Marsh, David G., Alain Lockhart, and S. T. Holgate. The Genetics of Asthma. Oxford [etc.]: Blackwell, 1993.

MLA (9th ed.) Citation

Marsh, David G., et al. The Genetics of Asthma. Blackwell, 1993.