APA (7th ed.) Citation

(2022). external_content.pdf. Erich Schmidt Verlag GmbH & Co.

Chicago Style (17th ed.) Citation

External_content.pdf. Erich Schmidt Verlag GmbH & Co, 2022.

MLA (8th ed.) Citation

External_content.pdf. Erich Schmidt Verlag GmbH & Co, 2022.

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