APA Style
Cussler, Clive. (2019).
Celtic Empire .
New York:
G.P. Putnam\'s Sons.
Chicago Style
Cussler, Clive.
Celtic Empire.
New York:
G.P. Putnam\'s Sons,
2019.
Text.
MLA Style
Cussler, Clive.
Celtic Empire.
New York:
G.P. Putnam\'s Sons,
2019.
Text.
Turabian Style
Cussler, Clive.
Celtic Empire.
New York:
G.P. Putnam\'s Sons,
2019.
Print.