APA (7th ed.) Citation

Oelssner, F. (1948). Das Spionagezentrum "Ostbüro".

Chicago Style (17th ed.) Citation

Oelssner, Fred. Das Spionagezentrum "Ostbüro". 1948.

MLA (8th ed.) Citation

Oelssner, Fred. Das Spionagezentrum "Ostbüro". 1948.

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