Gaya APA

Baker, J, J., Allen, G, E. (1981). Matter, energy, and life : an introduction to chemical concepts (4th ed). Menlo Park, CA: The Benjamin/Cummings.

Gaya MLA

Baker, Jeffrey, J.W.., Allen, Garland, E.. "Matter, energy, and life : an introduction to chemical concepts". 4th ed Menlo Park, CA: The Benjamin/Cummings, 1981. Text.