APA Citation

Harrigan, P. A. (1970). The Challenge of chemistry. New york: McGraw-Hill.

Chicago Style Citation

Harrigan, Philip A. The Challenge of Chemistry. New york: McGraw-Hill, 1970.

MLA Citation

Harrigan, Philip A. The Challenge of Chemistry. New york: McGraw-Hill, 1970.

Warning: These citations may not always be 100% accurate.