APA Style
DURRENBERGER, Robert. (1969).
California :the last frontier .
New York:
the last frontier.
Chicago Style
DURRENBERGER, Robert.
California :the last frontier.
New York:
the last frontier,
1969.
Text.
MLA Style
DURRENBERGER, Robert.
California :the last frontier.
New York:
the last frontier,
1969.
Text.
Turabian Style
DURRENBERGER, Robert.
California :the last frontier.
New York:
the last frontier,
1969.
Print.