APA (7th ed.) Citation

Wendt, C., & Jacob, O. (1981). Robert Siewert.

Chicago Style (17th ed.) Citation

Wendt, Carola, and Otto Jacob. Robert Siewert. Halle, 1981.

MLA (8th ed.) Citation

Wendt, Carola, and Otto Jacob. Robert Siewert. 1981.

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