APA (7th ed.) Citation

Mary, C. (1960). Breaking the sound barrier: A phonics handbook. Macmillan.

Chicago Style (17th ed.) Citation

Mary, Caroline. Breaking the Sound Barrier: A Phonics Handbook. New York: Macmillan, 1960.

MLA (9th ed.) Citation

Mary, Caroline. Breaking the Sound Barrier: A Phonics Handbook. Macmillan, 1960.

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