APA citiranje

Richards, A. M., Ikram, H., Crozier, I. G., Nicholls, M. G., & Jans, S. (1990). Ambulatory pulmonary arterial pressure in primary pulmonary hypertension: Variability, relation to systemic arterial pressure, and plasma catecholamines.

Citação norma Chicago

Richards, A M., H. Ikram, I G. Crozier, M G. Nicholls, and S. Jans. Ambulatory Pulmonary Arterial Pressure in Primary Pulmonary Hypertension: Variability, Relation to Systemic Arterial Pressure, and Plasma Catecholamines. 1990.

MLA citiranje

Richards, A M., et al. Ambulatory Pulmonary Arterial Pressure in Primary Pulmonary Hypertension: Variability, Relation to Systemic Arterial Pressure, and Plasma Catecholamines. 1990.