APA ציטוט

Powell, C., White, R., & Primhak, R. (1993). Asthma management guidelines.

Citação norma Chicago

Powell, C., R. White, and R. Primhak. Asthma Management Guidelines. 1993.

ציטוט MLA

Powell, C., R. White, and R. Primhak. Asthma Management Guidelines. 1993.