APA Style
Britannica Learning Library : Technology and Inventions. (2003).
:
Encyclopaedia Britannica.
Chicago Style
Britannica Learning Library : Technology and Inventions.
.
:
Encyclopaedia Britannica,
2003.
Text.
MLA Style
Britannica Learning Library : Technology and Inventions.
.
:
Encyclopaedia Britannica,
2003.
Text.
Turabian Style
Britannica Learning Library : Technology and Inventions.
:
Encyclopaedia Britannica,
2003.
Print.