APA (7th ed.) Citation

LC, S. (1976). Learning for tomorrow. Heart & lung : the journal of critical care, 5(5), 731.

Chicago Style (17th ed.) Citation

LC, Simpson. "Learning for Tomorrow." Heart & Lung : The Journal of Critical Care 5, no. 5 (1976): 731.

MLA (9th ed.) Citation

LC, Simpson. "Learning for Tomorrow." Heart & Lung : The Journal of Critical Care, vol. 5, no. 5, 1976, p. 731.