Tristan & Isolde...
APA Citation
Gottfried, v. Strassburg. (1903). Tristan & Isolde... Leipzig: P. Reclam.
MLA Citation
Gottfried, von Strassburg, active 13th century. Tristan & Isolde... Leipzig: P. Reclam, 1903.
Warning: These citations may not always be complete (especially for serials).