एपीए उद्धरण

Pattenden, O. (2020). Taking Care of the Future. 1st ed. 2018. Springer International Publishing.

शिकागो स्टाइल उद्धरण

Pattenden, Oliver. Taking Care of the Future. 1st Ed. 2018. Springer International Publishing, 2020.

एमएलए उद्धरण

Pattenden, Oliver. Taking Care of the Future. 1st Ed. 2018. Springer International Publishing, 2020.