APA Style
Johannsen, A. (1938).
A Desriptive petrography of the igneous roks volume IV Part I .
Chicago:
The Universiy of Chicago Pres.
MLA Style
Johannsen, Albert.
"A Desriptive petrography of the igneous roks volume IV Part I".
Chicago:
The Universiy of Chicago Pres,
1938.
Buku.