Use \citetitle and \programopt as appropriate.
diff --git a/Doc/lib/libsocket.tex b/Doc/lib/libsocket.tex
index e8c8731..4abe805 100644
--- a/Doc/lib/libsocket.tex
+++ b/Doc/lib/libsocket.tex
@@ -9,13 +9,13 @@
It is available on \UNIX{} systems that support this interface.
For an introduction to socket programming (in C), see the following
-papers: \emph{An Introductory 4.3BSD Interprocess Communication
-Tutorial}, by Stuart Sechrest and \emph{An Advanced 4.3BSD Interprocess
-Communication Tutorial}, by Samuel J. Leffler et al, both in the
-\UNIX{} Programmer's Manual, Supplementary Documents 1 (sections PS1:7
-and PS1:8). The \UNIX{} manual pages for the various socket-related
-system calls are also a valuable source of information on the details of
-socket semantics.
+papers: \citetitle{An Introductory 4.3BSD Interprocess Communication
+Tutorial}, by Stuart Sechrest and \citetitle{An Advanced 4.3BSD
+Interprocess Communication Tutorial}, by Samuel J. Leffler et al,
+both in the \citetitle{\UNIX{} Programmer's Manual, Supplementary Documents 1}
+(sections PS1:7 and PS1:8). The \UNIX{} manual pages for the various
+socket-related system calls are also a valuable source of information
+on the details of socket semantics.
The Python interface is a straightforward transliteration of the
\UNIX{} system call and library interface for sockets to Python's