APA Style
MILESTONES of the 20th CENTURY. (1999).
Canada:
Grolier Limited.
Chicago Style
MILESTONES of the 20th CENTURY.
.
Canada:
Grolier Limited,
1999.
Text.
MLA Style
MILESTONES of the 20th CENTURY.
.
Canada:
Grolier Limited,
1999.
Text.
Turabian Style
MILESTONES of the 20th CENTURY.
Canada:
Grolier Limited,
1999.
Print.