APA (7th ed.) Citation

Christensen, K., McGue, M., Petersen, I., Jeune, B., & Vaupel, J. W. (2008). Exceptional longevity does not result in excessive levels of disability. Proceedings of the National Academy of Sciences - PNAS, 105(36), 13274. https://doi.org/10.1073/pnas.0804931105

Chicago Style (17th ed.) Citation

Christensen, Kaare, Matt McGue, Inge Petersen, Bernard Jeune, and James W. Vaupel. "Exceptional Longevity Does Not Result in Excessive Levels of Disability." Proceedings of the National Academy of Sciences - PNAS 105, no. 36 (2008): 13274. https://doi.org/10.1073/pnas.0804931105.

MLA (9th ed.) Citation

Christensen, Kaare, et al. "Exceptional Longevity Does Not Result in Excessive Levels of Disability." Proceedings of the National Academy of Sciences - PNAS, vol. 105, no. 36, 2008, p. 13274, https://doi.org/10.1073/pnas.0804931105.