APA Style
Refrigerant Controls. (1971).
America:
National Joint Steamfitter.
Chicago Style
Refrigerant Controls.
.
America:
National Joint Steamfitter,
1971.
Text.
MLA Style
Refrigerant Controls.
.
America:
National Joint Steamfitter,
1971.
Text.
Turabian Style
Refrigerant Controls.
America:
National Joint Steamfitter,
1971.
Print.