APA (7th ed.) Citation

Boys in kakhi guarding the rio Grande. Kavanaugh's War Postals.

Chicago Style (17th ed.) Citation

Boys in Kakhi Guarding the Rio Grande. Kavanaugh's War Postals.

MLA (8th ed.) Citation

Boys in Kakhi Guarding the Rio Grande. Kavanaugh's War Postals.

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