APA Style
Petrick, Alfred. (1986).
Energy Resource Assessment .
Colorado:
Westview Press.
Chicago Style
Petrick, Alfred.
Energy Resource Assessment.
Colorado:
Westview Press,
1986.
Text.
MLA Style
Petrick, Alfred.
Energy Resource Assessment.
Colorado:
Westview Press,
1986.
Text.
Turabian Style
Petrick, Alfred.
Energy Resource Assessment.
Colorado:
Westview Press,
1986.
Print.