APA Style
Gaddis, John Lewis. (2019).
On Grand Strategy .
United States:
Penguin Books.
Chicago Style
Gaddis, John Lewis.
On Grand Strategy.
United States:
Penguin Books,
2019.
.
MLA Style
Gaddis, John Lewis.
On Grand Strategy.
United States:
Penguin Books,
2019.
.
Turabian Style
Gaddis, John Lewis.
On Grand Strategy.
United States:
Penguin Books,
2019.
.