APA (7th ed.) Citation

Hunter, E. B. (1939). Personality development: A practical self-teaching course comprising health, posture, dress, grooming, voice and speech, conversation, social and business etiquette, self-confidence, poise, living and working with others, acquiring background, improvement of mind and character, achieving success and happiness. Unit 4, Mind and background. Better-Speech Institute of America.

Chicago Style (17th ed.) Citation

Hunter, Estelle B. Personality Development: A Practical Self-teaching Course Comprising Health, Posture, Dress, Grooming, Voice and Speech, Conversation, Social and Business Etiquette, Self-confidence, Poise, Living and Working with Others, Acquiring Background, Improvement of Mind and Character, Achieving Success and Happiness. Unit 4, Mind and Background. Chicago, IL: Better-Speech Institute of America, 1939.

MLA (9th ed.) Citation

Hunter, Estelle B. Personality Development: A Practical Self-teaching Course Comprising Health, Posture, Dress, Grooming, Voice and Speech, Conversation, Social and Business Etiquette, Self-confidence, Poise, Living and Working with Others, Acquiring Background, Improvement of Mind and Character, Achieving Success and Happiness. Unit 4, Mind and Background. Better-Speech Institute of America, 1939.

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