In reply.

MLA

Ressing M, and Klug SJ. “In Reply.” Deutsches Ärzteblatt International, vol. 107, no. 4, Jan. 2010, pp. 57–58. EBSCOhost, https://doi.org/10.3238/arztebl.2010.0057b.

APA

Ressing M, & Klug SJ. (2010). In reply. Deutsches Ärzteblatt International, 107(4), 57–58. https://doi.org/10.3238/arztebl.2010.0057b

Chicago

Ressing M, and Klug SJ. 2010. “In Reply.” Deutsches Ärzteblatt International 107 (4): 57–58. doi:10.3238/arztebl.2010.0057b.