APA Style
Volz, H, G. et al (1937).
Qualitative analysis and chemical equilibrium (4th ed.).
New York:
Holt, Rinehart and Winston.
MLA Style
Volz, Hans, G.. et al.
"Qualitative analysis and chemical equilibrium".
4th ed.
New York:
Holt, Rinehart and Winston,
1937.
Buku.