Gaya APA
Sandburg, C.
(1939).
Abraham lincoln : the war years
(
vol.2)
.
New York:
Harcourt, brace & world, inc.
Gaya MLA
Sandburg, Carl.
"Abraham lincoln : the war years".
vol.2
New York:
Harcourt, brace & world, inc,
1939.
Text.