APA ציטוט

Johannsen,Albert. (1938). A descriptive petrography of the Igneous rocks,Vol.4 .Pt.1 the feldspathold rocks,Pt.2. UCP.

Chicago Edition Citation

Johannsen,Albert. A Descriptive Petrography of the Igneous Rocks,Vol.4 .Pt.1 the Feldspathold Rocks,Pt.2. Chicago: UCP, 1938.

ציטוט MLA

Johannsen,Albert. A Descriptive Petrography of the Igneous Rocks,Vol.4 .Pt.1 the Feldspathold Rocks,Pt.2. UCP, 1938.