APA (7th ed.) Citation

Siebs, T. (1893). Altfriesische Literatur.

Chicago Style (17th ed.) Citation

Siebs, Theodor. Altfriesische Literatur. Strassburg, 1893.

MLA (9th ed.) Citation

Siebs, Theodor. Altfriesische Literatur. 1893.

Warning: These citations may not always be 100% accurate.