SpringerLink (Online service) & Okal, E. A. (1991). Aspects of Pacific seismicity. Birkhäuser Verlag.
Chicago Style (17th ed.) CitationSpringerLink (Online service) and Emile A. Okal. Aspects of Pacific Seismicity. Basel ; Boston: Birkhäuser Verlag, 1991.
MLA (9th ed.) CitationSpringerLink (Online service) and Emile A. Okal. Aspects of Pacific Seismicity. Birkhäuser Verlag, 1991.
Warning: These citations may not always be 100% accurate.