APA Style
Webster's 21st century. (1992).
Cambridge:
THOMAS NELSON PUBLISHERS.
Chicago Style
Webster's 21st century.
.
Cambridge:
THOMAS NELSON PUBLISHERS,
1992.
.
MLA Style
Webster's 21st century.
.
Cambridge:
THOMAS NELSON PUBLISHERS,
1992.
.
Turabian Style
Webster's 21st century.
Cambridge:
THOMAS NELSON PUBLISHERS,
1992.
.