APA (7th ed.) Citation

Bios (Gymnasium, Nordrhein-Westfalen.). Diesterweg.

Chicago Style (17th ed.) Citation

Bios. Gymnasium, Nordrhein-Westfalen. Frankfurt am Main: Diesterweg.

MLA (9th ed.) Citation

Bios. Gymnasium, Nordrhein-Westfalen. Diesterweg.

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