Gaya APA

Pimentel, G, C., Bard, A, J. (1985). Opportunities in Chemistry (Cet. 1.--). Washington D.C.: National Academy Press.

Gaya MLA

Pimentel, George, C.., Bard, Allen, J.. "Opportunities in Chemistry". Cet. 1.-- Washington D.C.: National Academy Press, 1985. Text.