APA Style
OLCOTT, W, T.
(1929).
Field Book of the Skies
(
4)
.
New York:
G. P. Putnam\'s Sons.
MLA Style
OLCOTT, WILLIAM, TYLER.
"Field Book of the Skies".
4
New York:
G. P. Putnam\'s Sons,
1929.
Text.