APA aipamena

Assmann, A., Minol, J., Mehdiani, A., Akhyari, P., Boeken, U., & Lichtenberg, A. (2013). Cardiac surgery in nonagenarians: Not only feasible, but also reasonable?(†). Oxford University Press.

Chicago Style aipamena

Assmann, Alexander, Jan-Philipp Minol, Arash Mehdiani, Payam Akhyari, Udo Boeken, and Artur Lichtenberg. Cardiac Surgery in Nonagenarians: Not Only Feasible, but Also Reasonable?(†). Oxford University Press, 2013.

MLA aipamena

Assmann, Alexander, et al. Cardiac Surgery in Nonagenarians: Not Only Feasible, but Also Reasonable?(†). Oxford University Press, 2013.