APA (7th ed.) Citation

Häußler, P., & Pittman, J. (1973). System zur Analyse naturwissenschaftlicher Curricula: = A curriculum material analysis system for science. Beltz.

Chicago Style (17th ed.) Citation

Häußler, Peter, and June Pittman. System Zur Analyse Naturwissenschaftlicher Curricula: = A Curriculum Material Analysis System for Science. Weinheim: Beltz, 1973.

MLA (9th ed.) Citation

Häußler, Peter, and June Pittman. System Zur Analyse Naturwissenschaftlicher Curricula: = A Curriculum Material Analysis System for Science. Beltz, 1973.