APA (7th ed.) Citation

Heydt, F. v. d. (1949). Das Patentamt Der Heliand.

Chicago Style (17th ed.) Citation

Heydt, Fritz von der. "Das Patentamt." Der Heliand 1949.

MLA (8th ed.) Citation

Heydt, Fritz von der. "Das Patentamt." Der Heliand, 1949.

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