Cita APA (7a ed.)

Prescott, C. S., & Smith, M. H. (1970). The needs of man (Teacher's guide.). The Fideler Company.

Cita Chicago Style (17a ed.)

Prescott, Carol S., y Marion Hagens Smith. The Needs of Man. Teacher's guide. Grand Rapids Toronto: The Fideler Company, 1970.

Cita MLA (9a ed.)

Prescott, Carol S., y Marion Hagens Smith. The Needs of Man. Teacher's guide. The Fideler Company, 1970.