APA

Sagarra E., . (1980). An introduction to nineteenth century Germany. Harlow: Longman.

Chicago

Sagarra Eda, . 1980. An introduction to nineteenth century Germany. Harlow: Longman.

Harvard

Sagarra E., . (1980). An introduction to nineteenth century Germany. Harlow: Longman.

MLA

Sagarra Eda, . An introduction to nineteenth century Germany. Harlow: Longman. 1980.