Cita APA (7a ed.)
Sigl, R. (1971). Activity of the special study group no. 22, linked to section II of International Association of Geodesy 1967-1971.
Cita Chicago Style (17a ed.)
Sigl, Rudolf. Activity of the Special Study Group No. 22, Linked to Section II of International Association of Geodesy 1967-1971. 1971.
Cita MLA (9a ed.)
Sigl, Rudolf. Activity of the Special Study Group No. 22, Linked to Section II of International Association of Geodesy 1967-1971. 1971.
Precaución: Estas citas no son 100% exactas.