Gaya APA

Boschman, E., Wells, N. (1990). Chemistry in action : a laboratory manual of general, organic, and biological chemistry (4th ed). New York: McGraw-Hill.

Gaya MLA

Boschman, Edwin., Wells, Norman. "Chemistry in action : a laboratory manual of general, organic, and biological chemistry". 4th ed New York: McGraw-Hill, 1990. Text.