APA Style
The New Book of Knowledge 15. (1981).
Canada:
Grolier Internasional Inc.
Chicago Style
The New Book of Knowledge 15.
15.
Canada:
Grolier Internasional Inc,
1981.
Text.
MLA Style
The New Book of Knowledge 15.
15.
Canada:
Grolier Internasional Inc,
1981.
Text.
Turabian Style
The New Book of Knowledge 15.
Canada:
Grolier Internasional Inc,
1981.
Print.