APA (7th ed.) Citation

Courthion, P., & Emmons, J. (1957). Paris in the past. Skira.

Chicago Style (17th ed.) Citation

Courthion, Pierre, and James Emmons. Paris in the Past. Genève [etc.]: Skira, 1957.

MLA (9th ed.) Citation

Courthion, Pierre, and James Emmons. Paris in the Past. Skira, 1957.

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