APA (7th ed.) Citation

(1993). D.D.R. Collectors reference guides: 1949-1990. Oliver.

Chicago Style (17th ed.) Citation

D.D.R. Collectors Reference Guides: 1949-1990. Eton Wick: Oliver, 1993.

MLA (8th ed.) Citation

D.D.R. Collectors Reference Guides: 1949-1990. Oliver, 1993.

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