Byerly, P. (1952). Pacific coast earthquakes. Oregon State System of Higher Education.
Cita Chicago Style (17a ed.)Byerly, Perry. Pacific Coast Earthquakes. Eugene: Oregon State System of Higher Education, 1952.
Cita MLA (8a ed.)Byerly, Perry. Pacific Coast Earthquakes. Oregon State System of Higher Education, 1952.
Precaución: Estas citas no son 100% exactas.