APA aipamena

Houston, A., Hillis, S., Lilley, S., Richens, T., & Swan, L. (1998). Echocardiography in adult congenital heart disease.

Chicago Style aipamena

Houston, A., S. Hillis, S. Lilley, T. Richens, and L. Swan. Echocardiography in Adult Congenital Heart Disease. 1998.

MLA aipamena

Houston, A., et al. Echocardiography in Adult Congenital Heart Disease. 1998.