APA ציטוט

Martin, B. M., Butler, V. R., & De Leon, A. C. (1990). Normal & abnormal heart sounds. Springhouse.

Chicago Style (17th ed.) Citation

Martin, Barbara M.S, Virginia RN Butler, and Antonio C. De Leon. Normal & Abnormal Heart Sounds. Springhouse, PA: Springhouse, 1990.

ציטוט MLA

Martin, Barbara M.S, et al. Normal & Abnormal Heart Sounds. Springhouse, 1990.