APA (7th ed.) Citation

ML, R. (1990). Pericarditis: A different kind of heart disease. Nursing, 20(2), 52.

Chicago Style (17th ed.) Citation

ML, Rodgers. "Pericarditis: A Different Kind of Heart Disease." Nursing 20, no. 2 (1990): 52.

MLA (9th ed.) Citation

ML, Rodgers. "Pericarditis: A Different Kind of Heart Disease." Nursing, vol. 20, no. 2, 1990, p. 52.