APA (7th ed.) Citation

(1948). Basic principles of guidance [by] Philip W.L Cox [and] John Carr Duff in collaboration with Marie McNamara.

Chicago Style (17th ed.) Citation

Basic Principles of Guidance [by] Philip W.L Cox [and] John Carr Duff in Collaboration with Marie McNamara. 1948.

MLA (9th ed.) Citation

Basic Principles of Guidance [by] Philip W.L Cox [and] John Carr Duff in Collaboration with Marie McNamara. 1948.

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