APA (7th ed.) Citation

Wackrill, H. R., Grünewald, M., Gothardt, M., & Neithardt, M. (1967). Grunewald. Knowledge Publications.

Chicago Style (17th ed.) Citation

Wackrill, H. R., Matthias Grünewald, Mathis Gothardt, and Mathis Neithardt. Grunewald. London: Knowledge Publications, 1967.

MLA (9th ed.) Citation

Wackrill, H. R., et al. Grunewald. Knowledge Publications, 1967.

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