एपीए उद्धरण

Licata, I., Chiatti, L., & Benedetto, E. (2020). De Sitter Projective Relativity. 1st ed. 2017. Springer International Publishing.

शिकागो स्टाइल उद्धरण

Licata, Ignazio, Leonardo Chiatti, और Elmo Benedetto. De Sitter Projective Relativity. 1st Ed. 2017. Springer International Publishing, 2020.

एमएलए उद्धरण

Licata, Ignazio, Leonardo Chiatti, और Elmo Benedetto. De Sitter Projective Relativity. 1st Ed. 2017. Springer International Publishing, 2020.