Citazione Stile APA (7a Edizione)

Ruffini, R. (1986). Proceedings of the fourth Marcel Grossmann meeting on general relativity, held at the University of Rome, La Sapienza, 17-21 June, 1985. North-Holland.

Citazione stile Chigago Style (17a edizione)

Ruffini, Remo. Proceedings of the Fourth Marcel Grossmann Meeting on General Relativity, Held at the University of Rome, La Sapienza, 17-21 June, 1985. Amsterdam: North-Holland, 1986.

Citatione MLA (9a ed.)

Ruffini, Remo. Proceedings of the Fourth Marcel Grossmann Meeting on General Relativity, Held at the University of Rome, La Sapienza, 17-21 June, 1985. North-Holland, 1986.