APA (7th ed.) Citation

George Philip & Son & London Geographical Institute. Rumania, Bulgaria, & European Turkey. George Philip & Son.

Chicago Style (17th ed.) Citation

George Philip & Son and London Geographical Institute. Rumania, Bulgaria, & European Turkey. London: George Philip & Son.

MLA (8th ed.) Citation

George Philip & Son and London Geographical Institute. Rumania, Bulgaria, & European Turkey. George Philip & Son.

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