APA (7th ed.) Citation

(1929). Appendix 8; Amendment No. 4 to Circular No. 156. GPO.

Chicago Style (17th ed.) Citation

Appendix 8; Amendment No. 4 to Circular No. 156. [Washington]: GPO, 1929.

MLA (9th ed.) Citation

Appendix 8; Amendment No. 4 to Circular No. 156. GPO, 1929.