APA (7th ed.) Citation

Armstrong, D. G. (1980). Social studies in secondary education. Macmillan [u.a.].

Chicago Style (17th ed.) Citation

Armstrong, David G. Social Studies in Secondary Education. New York: Macmillan [u.a.], 1980.

MLA (9th ed.) Citation

Armstrong, David G. Social Studies in Secondary Education. Macmillan [u.a.], 1980.