APA (7th ed.) Citation

SM, M., AF, B., & MJ, B. (2003). Development of improved vaccines for heartwater. Developments in biologicals, 114, 137.

Chicago Style (17th ed.) Citation

SM, Mahan, Barbet AF, and Burridge MJ. "Development of Improved Vaccines for Heartwater." Developments in Biologicals 114 (2003): 137.

MLA (9th ed.) Citation

SM, Mahan, et al. "Development of Improved Vaccines for Heartwater." Developments in Biologicals, vol. 114, 2003, p. 137.