APA Style
Shugarts, David A.. ().
Statistical abstract of the United States: the national data book .
:
.
Chicago Style
Shugarts, David A..
Statistical abstract of the United States: the national data book.
:
,
.
.
MLA Style
Shugarts, David A..
Statistical abstract of the United States: the national data book.
:
,
.
.
Turabian Style
Shugarts, David A..
Statistical abstract of the United States: the national data book.
:
,
.
.