एपीए उद्धरण

Oswald, M. J. (2017). Your guide to the national parks: The complete guide to all 59 parks. Whitelaw, WI: Stone Road Press.

शिकागो स्टाइल उद्धरण

Oswald, Michael Joseph. Your Guide to the National Parks: The Complete Guide to All 59 Parks. Whitelaw, WI: Stone Road Press, 2017.

एमएलए उद्धरण

Oswald, Michael Joseph. Your Guide to the National Parks: The Complete Guide to All 59 Parks. Whitelaw, WI: Stone Road Press, 2017.