Cita APA (7th ed.)

Femighetti, R. (1997). The world almanac and book of facts 1998. World Almanac Books.

Cita Chicago (17th ed.)

Femighetti, Robert. The World Almanac and Book of Facts 1998. Mahwah: World Almanac Books, 1997.

Cita MLA (9th ed.)

Femighetti, Robert. The World Almanac and Book of Facts 1998. World Almanac Books, 1997.