APA

American Society for Testing and Materials. ASTM special technical publication 122, . (1952). Surface and subsurface reconnaissance. Symposium at the ASTM 54th annual meeting, 19 June 1951. Papers and discussions. Baltimore: American Society for Testing and Materials. ASTM special technical publication 122.

Chicago

American Society for Testing and Materials. ASTM special technical publication 122, . 1952. Surface and subsurface reconnaissance. Symposium at the ASTM 54th annual meeting, 19 June 1951. Papers and discussions. Baltimore: American Society for Testing and Materials. ASTM special technical publication 122.

Harvard

American Society for Testing and Materials. ASTM special technical publication 122, . (1952). Surface and subsurface reconnaissance. Symposium at the ASTM 54th annual meeting, 19 June 1951. Papers and discussions. Baltimore: American Society for Testing and Materials. ASTM special technical publication 122.

MLA

American Society for Testing and Materials. ASTM special technical publication 122, . Surface and subsurface reconnaissance. Symposium at the ASTM 54th annual meeting, 19 June 1951. Papers and discussions. Baltimore: American Society for Testing and Materials. ASTM special technical publication 122. 1952.