APA (7th ed.) Citation

Keyserling, H. v., Hardenberg, K. F. v., & Happich, C. (1923). Das Okkulte: Graf Hermann Keyserling ; Graf Kuno Hardenberg ; Carl Happich. Reichl.

Chicago Style (17th ed.) Citation

Keyserling, Hermann von, Kuno Ferdinand von Hardenberg, and Carl Happich. Das Okkulte: Graf Hermann Keyserling ; Graf Kuno Hardenberg ; Carl Happich. Darmstadt: Reichl, 1923.

MLA (8th ed.) Citation

Keyserling, Hermann von, et al. Das Okkulte: Graf Hermann Keyserling ; Graf Kuno Hardenberg ; Carl Happich. Reichl, 1923.

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