Franklin

MLA

Halbak, Carl D. With Faith In Their Hearts: Commemorating the 25th Anniversary of the National Gypsum Company 1925-1950. [Buffalo: National Gypsum Co., 1950.

APA

Halbak, C. D. (1950). With faith in their hearts: Commemorating the 25th anniversary of the National Gypsum Company 1925-1950. [Buffalo: National Gypsum Co.

Chicago

Halbak, Carl D. With Faith In Their Hearts: Commemorating the 25th Anniversary of the National Gypsum Company 1925-1950. [Buffalo: National Gypsum Co., 1950.