APA (7th ed.) Citation

Kayser, W., & Hentzen, A. (1977). Alfred Lichtwark. Christians.

Chicago Style (17th ed.) Citation

Kayser, Werner, and Alfred Hentzen. Alfred Lichtwark. Hamburg: Christians, 1977.

MLA (9th ed.) Citation

Kayser, Werner, and Alfred Hentzen. Alfred Lichtwark. Christians, 1977.

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