APA (7th ed.) Citation

(1961). PTTI-secretary Gmür (middle) in Douala. Text on the back.

Chicago Style (17th ed.) Citation

PTTI-secretary Gmür (middle) in Douala. Text on the Back. 1961.

MLA (8th ed.) Citation

PTTI-secretary Gmür (middle) in Douala. Text on the Back. 1961.

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