APA (7th ed.) Citation

Gopel, E. (1957). Max Beckmann der Maler. R.Piper & Co.

Chicago Style (17th ed.) Citation

Gopel, Erhard. Max Beckmann Der Maler. Munchen: R.Piper & Co, 1957.

MLA (9th ed.) Citation

Gopel, Erhard. Max Beckmann Der Maler. R.Piper & Co, 1957.

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