APA引文

Geiser, E. A. (2009). Cloth‐covered starr‐edwards valves. Clin Cardiol.

Citação norma Chicago

Geiser, Edward A. "Cloth‐covered Starr‐edwards Valves." Clin Cardiol 2009.

MLA引文

Geiser, Edward A. "Cloth‐covered Starr‐edwards Valves." Clin Cardiol 2009.

警告：這些引文格式不一定是100％准確.