APA引文

Harring, H. P. (1849). Zeit-Gedichte. [publisher not identified].

Chicago Style (17th ed.) Citation

Harring, Harro Paul. Zeit-Gedichte. [Place of publication not identified]: [publisher not identified], 1849.

MLA引文

Harring, Harro Paul. Zeit-Gedichte. [publisher not identified], 1849.