APA (7th ed.) Citation

Britain), N. S. o. O. P. A. (., & Forsey, S. Postcard.

Chicago Style (17th ed.) Citation

Britain), National Society of Operative Printers' Assistants (Great, and Stan Forsey. Postcard.

MLA (8th ed.) Citation

Britain), National Society of Operative Printers' Assistants (Great, and Stan Forsey. Postcard.

Warning: These citations may not always be 100% accurate.