APA (7th ed.) Citation

Wunderlich, S. (1969). DDR. Brockhaus.

Chicago Style (17th ed.) Citation

Wunderlich, Sonja. DDR. Leipzig: Brockhaus, 1969.

MLA (8th ed.) Citation

Wunderlich, Sonja. DDR. Brockhaus, 1969.

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