The mineral industry of the British Empire and foreign countires.
Statistics, 1920-1922. Gypsum.

APA Citation

Imperial Institute (Great Britain). (1925). The mineral industry of the British Empire and foreign countires: Statistics, 1920-1922. Gypsum. London: H. M. Stationery Off..

MLA Citation

Imperial Institute (Great Britain). The Mineral Industry of the British Empire And Foreign Countires: Statistics, 1920-1922. Gypsum. London: H. M. Stationery Off., 1925.

Warning: These citations may not always be complete (especially for serials).