APA (7th ed.) Citation

Ilgen, T. (1906). Sphragistik ([Bindeeinheit].). Teubner.

Chicago Style (17th ed.) Citation

Ilgen, Theodor. Sphragistik. [Bindeeinheit]. Leipzig: Teubner, 1906.

MLA (9th ed.) Citation

Ilgen, Theodor. Sphragistik. [Bindeeinheit]. Teubner, 1906.

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