APA (7th ed.) Citation

Heuermann, H. (1990). USA. Lang.

Chicago Style (17th ed.) Citation

Heuermann, Hartmut. USA. Frankfurt a.M. [u.a.]: Lang, 1990.

MLA (8th ed.) Citation

Heuermann, Hartmut. USA. Lang, 1990.

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