APA (7th ed.) Citation

Krämer, B. K., Schweda, F., Riegger, G. A., Krämer, B. K., Schweda, F., & Riegger, G. A. (1998). Bosentan in essential hypertension. New England Journal of Medicine, 339(5), 346. https://doi.org/10.1056/NEJM199807303390513

Chicago Style (17th ed.) Citation

Krämer, Bernhard K., Frank Schweda, Günter A.J Riegger, B K. Krämer, F. Schweda, and G A. Riegger. "Bosentan in Essential Hypertension." New England Journal of Medicine 339, no. 5 (1998): 346. https://doi.org/10.1056/NEJM199807303390513.

MLA (9th ed.) Citation

Krämer, Bernhard K., et al. "Bosentan in Essential Hypertension." New England Journal of Medicine, vol. 339, no. 5, 1998, p. 346, https://doi.org/10.1056/NEJM199807303390513.