APA (7th ed.) Citation

Roberts, M. L. (1997). United States Navy patches: Submarines. Schiffer Military/Aviation History.

Chicago Style (17th ed.) Citation

Roberts, Michael L. United States Navy Patches: Submarines. Atglen, PA: Schiffer Military/Aviation History, 1997.

MLA (9th ed.) Citation

Roberts, Michael L. United States Navy Patches: Submarines. Schiffer Military/Aviation History, 1997.

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