Cita APA (7a ed.)

Prescott, C. S., Smith, M. H., & Wilson, J. F. (1970). The earth and man (Teacher's guide.). The Fideler Company.

Cita Chicago Style (17a ed.)

Prescott, Carol S., Marion Hagens Smith, y J. Fred Wilson. The Earth and Man. Teacher's guide. Grand Rapids, Michigan Toronto, Canada: The Fideler Company, 1970.

Cita MLA (9a ed.)

Prescott, Carol S., et al. The Earth and Man. Teacher's guide. The Fideler Company, 1970.