Spar, J. (1962). Earth, sea, and air: A survey of the geophysical sciences. Addison-Wesley Publishing Company.
Citazione stile Chigago Style (17a edizione)Spar, Jerome. Earth, Sea, and Air: A Survey of the Geophysical Sciences. Reading, Massachusetts: Addison-Wesley Publishing Company, 1962.
Citatione MLA (9a ed.)Spar, Jerome. Earth, Sea, and Air: A Survey of the Geophysical Sciences. Addison-Wesley Publishing Company, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.