Cita APA

Biggs, A. (2001). Science Voyages: Earth Science. Glencoe/McGraw-Hill.

Chicago Style Citation

Biggs, Alton. Science Voyages: Earth Science. Glencoe/McGraw-Hill, 2001.

Cita MLA

Biggs, Alton. Science Voyages: Earth Science. Glencoe/McGraw-Hill, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.