APA Style
Compton's by Britannica Vol. 18: P-Phos. (2008).
Chicago, London, New Delhi etc:
Encyclopaedia Britannica, inc.
Chicago Style
Compton's by Britannica Vol. 18: P-Phos.
.
Chicago, London, New Delhi etc:
Encyclopaedia Britannica, inc,
2008.
Text.
MLA Style
Compton's by Britannica Vol. 18: P-Phos.
.
Chicago, London, New Delhi etc:
Encyclopaedia Britannica, inc,
2008.
Text.
Turabian Style
Compton's by Britannica Vol. 18: P-Phos.
Chicago, London, New Delhi etc:
Encyclopaedia Britannica, inc,
2008.
Print.