Gaya APA

Edwards, J, , , , , , W. (1944). Patent index to chemical abstracts. 1907 1936 (copy) (1944). : Michigan : Science-Technology Group,.

Gaya MLA

Edwards, J, , , , , , W. "Patent index to chemical abstracts. 1907 1936 (copy)". 1944 : Michigan : Science-Technology Group,, 1944. Text.