APA (7th ed.) Citation

PorterlhDarwin & Prince. (1999). Italy.

Chicago Style (17th ed.) Citation

PorterlhDarwin and Prince. Italy. New YorklbA Simon & Schster Macmillan Company, 1999.

MLA (9th ed.) Citation

PorterlhDarwin and Prince. Italy. 1999.

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