APA (7th ed.) Citation

Martens, H. (2003). Blume, Erna.

Chicago Style (17th ed.) Citation

Martens, Holger. Blume, Erna. 2003.

MLA (9th ed.) Citation

Martens, Holger. Blume, Erna. 2003.

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