एपीए उद्धरण

Sheldon, S. (2007). If tomorrow comes. Harper Collins Publishers.

शिकागो स्टाइल उद्धरण

Sheldon, Sidney. If Tomorrow Comes. New Delhi: Harper Collins Publishers, 2007.

एमएलए उद्धरण

Sheldon, Sidney. If Tomorrow Comes. Harper Collins Publishers, 2007.