APA (7th ed.) Citation

Klopfer, B. (1954). Development in the research technique. World Book Comp.

Chicago Style (17th ed.) Citation

Klopfer, Bruno. Development in the Research Technique. World Book Comp, 1954.

MLA (8th ed.) Citation

Klopfer, Bruno. Development in the Research Technique. World Book Comp, 1954.

Warning: These citations may not always be 100% accurate.