APA Style

Narayan, Francis B., Rensch, Calvin R.. (). Sociolinguistic Survey of Northern Pakistan. . : .

Chicago Style

Narayan, Francis B., Rensch, Calvin R.. Sociolinguistic Survey of Northern Pakistan.. : , . .

MLA Style

Narayan, Francis B., Rensch, Calvin R.. Sociolinguistic Survey of Northern Pakistan.. : , . .

Turabian Style

Narayan, Francis B., Rensch, Calvin R.. Sociolinguistic Survey of Northern Pakistan.. : , . .