APA (7th ed.) Citation

Christen, N. (1977). Giacomo Puccini.

Chicago Style (17th ed.) Citation

Christen, Norbert. Giacomo Puccini. 1977.

MLA (9th ed.) Citation

Christen, Norbert. Giacomo Puccini. 1977.

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