APA Style
Gwinn, Robert. P. (1993).
The New Encyclopaedia Britannica .
:
Encyclopaedia.
Chicago Style
Gwinn, Robert. P.
The New Encyclopaedia Britannica.
:
Encyclopaedia,
1993.
หนังสือ.
MLA Style
Gwinn, Robert. P.
The New Encyclopaedia Britannica.
:
Encyclopaedia,
1993.
หนังสือ.
Turabian Style
Gwinn, Robert. P.
The New Encyclopaedia Britannica.
:
Encyclopaedia,
1993.
หนังสือ.