Gaya APA

Sittel, C., Guntinas-Lichius, O. (2018). Neurolaryngology (1st ed. 2018). New york: Springer International Publishing.

Gaya MLA

Sittel, Christian., Guntinas-Lichius, Orlando. "Neurolaryngology". 1st ed. 2018 New york: Springer International Publishing, 2018. Text.