Hepler, L. G. Principlles of Chemistry.
芝加哥风格引文Hepler, Loren G.Smith. Principlles of Chemistry.
MLA引文Hepler, Loren G.Smith. Principlles of Chemistry.
警告：这些引文格式不一定是100％准确.
APA引文
Hepler, L. G. Principlles of Chemistry.
芝加哥风格引文Hepler, Loren G.Smith. Principlles of Chemistry.
MLA引文Hepler, Loren G.Smith. Principlles of Chemistry.