Citazione Stile APA (7a Edizione)
Bird, J. M. Einstein's Theories of Relativity and Gravitation: A Selection of Material [...]. Kessinger.
Citazione stile Chigago Style (17a edizione)
Bird, James Malcolm. Einstein's Theories of Relativity and Gravitation: A Selection of Material [...]. EUA: Kessinger.
Citatione MLA (9a ed.)
Bird, James Malcolm. Einstein's Theories of Relativity and Gravitation: A Selection of Material [...]. Kessinger.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.