Cita APA

SPENCE, M., & WEBB, S. (2000). Cullen's sign after coronary angiography.

Chicago Style Citation

SPENCE, M., i S. WEBB. Cullen's Sign After Coronary Angiography. 2000.

Cita MLA

SPENCE, M., i S. WEBB. Cullen's Sign After Coronary Angiography. 2000.