APA (7th ed.) Citation

Fortius, C. A. Olympic Athletes of the German Democratic Republic. [s.n.].

Chicago Style (17th ed.) Citation

Fortius, Citius Altius. Olympic Athletes of the German Democratic Republic. [s.n.].

MLA (8th ed.) Citation

Fortius, Citius Altius. Olympic Athletes of the German Democratic Republic. [s.n.].

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