APA Style
Britannica Book Of The Year 1971. (1971).
Chicago:
Encyclopaedia Britannica, Inc..
Chicago Style
Britannica Book Of The Year 1971.
.
Chicago:
Encyclopaedia Britannica, Inc.,
1971.
Text.
MLA Style
Britannica Book Of The Year 1971.
.
Chicago:
Encyclopaedia Britannica, Inc.,
1971.
Text.
Turabian Style
Britannica Book Of The Year 1971.
Chicago:
Encyclopaedia Britannica, Inc.,
1971.
Print.