International Astronomical Union. (1974). Gravitational radiation and gravitational Collapse: Symposium no. 64, held in Warsaw. D. Reidel.
Citazione stile Chigago Style (17a edizione)International Astronomical Union. Gravitational Radiation and Gravitational Collapse: Symposium No. 64, Held in Warsaw. Dordrecht-Holland: D. Reidel, 1974.
Citatione MLA (9a ed.)International Astronomical Union. Gravitational Radiation and Gravitational Collapse: Symposium No. 64, Held in Warsaw. D. Reidel, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.