APA (7th ed.) Citation

P, C. M., F, L., S, C., & G, O. (2004). Spontaneous termination of ventricular fibrillation. Heart, 90(2), 133.

Chicago Style (17th ed.) Citation

P, Calabr'' M., Luzza F, Carerj S, and Oreto G. "Spontaneous Termination of Ventricular Fibrillation." Heart 90, no. 2 (2004): 133.

MLA (9th ed.) Citation

P, Calabr'' M., et al. "Spontaneous Termination of Ventricular Fibrillation." Heart, vol. 90, no. 2, 2004, p. 133.