Cita APA (7th ed.)

Feather, R. J. M., Snyder, S. L., & Hesser, D. T. (1993). Earth science. Glencoe, Macmillan/McGraw-Hill.

Cita Chicago (17th ed.)

Feather, Ralph Jr. M., Susan Leach Snyder, i Dale T. Hesser. Earth Science. New York: Glencoe, Macmillan/McGraw-Hill, 1993.

Cita MLA (9th ed.)

Feather, Ralph Jr. M., et al. Earth Science. Glencoe, Macmillan/McGraw-Hill, 1993.