FM, E., & FJ, B. (1962). [The effect of silica, aluminum and calcium fluoride on the lung and on respiratory enzymes in laboratory animals]. South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde, 36, 416.
Chicago Style (17th ed.) CitationFM, ENGELBRECHT, and BURGER FJ. "[The Effect of Silica, Aluminum and Calcium Fluoride on the Lung and on Respiratory Enzymes in Laboratory Animals]." South African Medical Journal = Suid-Afrikaanse Tydskrif Vir Geneeskunde 36 (1962): 416.
MLA (9th ed.) CitationFM, ENGELBRECHT, and BURGER FJ. "[The Effect of Silica, Aluminum and Calcium Fluoride on the Lung and on Respiratory Enzymes in Laboratory Animals]." South African Medical Journal = Suid-Afrikaanse Tydskrif Vir Geneeskunde, vol. 36, 1962, p. 416.