APA Style
Roy, Ron,, Gurney, John Steven,. (1998).
empty envelope .
nyu:
.
Chicago Style
Roy, Ron,, Gurney, John Steven,.
empty envelope.
nyu:
,
1998.
print.
MLA Style
Roy, Ron,, Gurney, John Steven,.
empty envelope.
nyu:
,
1998.
print.
Turabian Style
Roy, Ron,, Gurney, John Steven,.
empty envelope.
nyu:
,
1998.
print.