[Membership certificate of the Society of Engineers, Machinists, Millwrights, Smiths, and Pattern Makers].
Chicago Style (17th ed.) Citation[Membership Certificate of the Society of Engineers, Machinists, Millwrights, Smiths, and Pattern Makers].
MLA (8th ed.) Citation[Membership Certificate of the Society of Engineers, Machinists, Millwrights, Smiths, and Pattern Makers].
Warning: These citations may not always be 100% accurate.