(1879). [Means for transmitting official mail free of postage, including uses of penalty envelope]. [publisher not identified].
Chicago Style (17th ed.) Citation[Means for Transmitting Official Mail Free of Postage, Including Uses of Penalty Envelope]. Washington, D.C.: [publisher not identified], 1879.
MLA (9th ed.) Citation[Means for Transmitting Official Mail Free of Postage, Including Uses of Penalty Envelope]. [publisher not identified], 1879.
Warning: These citations may not always be 100% accurate.