APA Style
Ruhlen, Merritt. (1976).
A Guide to The Language of the World .
s.l.:
Standford University.
Chicago Style
Ruhlen, Merritt.
A Guide to The Language of the World.
s.l.:
Standford University,
1976.
Text.
MLA Style
Ruhlen, Merritt.
A Guide to The Language of the World.
s.l.:
Standford University,
1976.
Text.
Turabian Style
Ruhlen, Merritt.
A Guide to The Language of the World.
s.l.:
Standford University,
1976.
Print.