APA (7th ed.) Citation

Black, J. W., & Irwin, R. B. (1969). Voice and diction phonation and phonology. Charles E. Merrill.

Chicago Style (17th ed.) Citation

Black, John W., and Ruth B. Irwin. Voice and Diction Phonation and Phonology. Charles E. Merrill, 1969.

MLA (9th ed.) Citation

Black, John W., and Ruth B. Irwin. Voice and Diction Phonation and Phonology. Charles E. Merrill, 1969.

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