APA (7th ed.) Citation

Leptin, G. (1974). Die Rolle der DDR in Osteuropa. Duncker & Humblot.

Chicago Style (17th ed.) Citation

Leptin, Gert. Die Rolle Der DDR in Osteuropa. Berlin: Duncker & Humblot, 1974.

MLA (8th ed.) Citation

Leptin, Gert. Die Rolle Der DDR in Osteuropa. Duncker & Humblot, 1974.

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