APA (7th ed.) Citation

Küper, W., Gallas, W., & Gallas, W. (1991). In memoriam Wilhelm Gallas: (1903 - 1989) ; Gedächtnisfeier am 2. November 1990. Heidelberger Forum.

Chicago Style (17th ed.) Citation

Küper, Wilfried, Wilhelm Gallas, and Wilhelm Gallas. "In Memoriam Wilhelm Gallas: (1903 - 1989) ; Gedächtnisfeier Am 2. November 1990." Heidelberger Forum 1991.

MLA (8th ed.) Citation

Küper, Wilfried, et al. "In Memoriam Wilhelm Gallas: (1903 - 1989) ; Gedächtnisfeier Am 2. November 1990." Heidelberger Forum, 1991.

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