APA (7th ed.) Citation

Krug, M. M. (1967). History and the social sciences: New approaches to the teaching of social studies. Blaisdell Pub.

Chicago Style (17th ed.) Citation

Krug, Mark M. History and the Social Sciences: New Approaches to the Teaching of Social Studies. Waltham, Mass: Blaisdell Pub, 1967.

MLA (9th ed.) Citation

Krug, Mark M. History and the Social Sciences: New Approaches to the Teaching of Social Studies. Blaisdell Pub, 1967.