Gaya APA

Sobel, D. (1998). Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time . Great Britain: Fourth Estate.

Gaya MLA

Sobel, Dava. "Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time". Great Britain: Fourth Estate, 1998. Book - Paperback.