Ferdinand Howald : : Avant-garde collector (exhibition London, Wildenstein & Co, 20.6 - 21.7.1973).

MLA

Tucker, Marcia, and Kasha Linville. Ferdinand Howald : Avant-garde Collector (exhibition London, Wildenstein & Co, 20.6 - 21.7.1973). London: Wildenstein & Co., 1973.

APA

Tucker, M., & Linville, K. (1973). Ferdinand Howald : Avant-garde collector (exhibition London, Wildenstein & Co, 20.6 - 21.7.1973). London: Wildenstein & Co.

Chicago

Tucker, Marcia, and Kasha Linville. Ferdinand Howald: Avant-Garde Collector (exhibition London, Wildenstein & Co, 20.6 - 21.7.1973). London: Wildenstein & Co., 1973.