Cita APA (7a ed.)
Smith, P. G., & Smith, P. G. (1970). Theories of value and problems of education.
Cita estilo Chicago (17a ed.)
Smith, Philip G., y Philip G. Smith. Theories of Value and Problems of Education. 1970.
Cita MLA (9a ed.)
Smith, Philip G., y Philip G. Smith. Theories of Value and Problems of Education. 1970.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.