Cita APA

Collins, A., & Doyle, A. C. (2005). The lost world: Elementary level. London: Macmillan Education.

Chicago Style Citation

Collins, Anne., i Arthur Conan Doyle. The Lost World: Elementary Level. London: Macmillan Education, 2005.

Cita MLA

Collins, Anne., i Arthur Conan Doyle. The Lost World: Elementary Level. London: Macmillan Education, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.