APA (7th ed.) Citation

Goneim, M. Z., & Rickmers, W. R. (1955). Die verschollene Pyramide. Brockhaus.

Chicago Style (17th ed.) Citation

Goneim, Mohammed Zakaria, and Willi Rickmer Rickmers. Die Verschollene Pyramide. Wiesbaden: Brockhaus, 1955.

MLA (9th ed.) Citation

Goneim, Mohammed Zakaria, and Willi Rickmer Rickmers. Die Verschollene Pyramide. Brockhaus, 1955.