APA Style
HORTON, Paul B.. (1977).
Introductory sociology .
[s.l]:
Learning System Company.
Chicago Style
HORTON, Paul B..
Introductory sociology.
[s.l]:
Learning System Company,
1977.
Text.
MLA Style
HORTON, Paul B..
Introductory sociology.
[s.l]:
Learning System Company,
1977.
Text.
Turabian Style
HORTON, Paul B..
Introductory sociology.
[s.l]:
Learning System Company,
1977.
Print.