APA (7th ed.) Citation

Sagan, F. (1959). Bonjour tristesse, Roman. Ullstein Bücher.

Chicago Style (17th ed.) Citation

Sagan, Françoise. Bonjour Tristesse, Roman. Frankfurt am Main: Ullstein Bücher, 1959.

MLA (9th ed.) Citation

Sagan, Françoise. Bonjour Tristesse, Roman. Ullstein Bücher, 1959.

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