APA (7th ed.) Citation

Edgerton, M. E. (2015). The 21st-century voice: Contemporary and traditional extra-normal voice (Second edition.). Rowman and Littlefield.

Chicago Style (17th ed.) Citation

Edgerton, Michael Edward. The 21st-century Voice: Contemporary and Traditional Extra-normal Voice. Second edition. Lanham: Rowman and Littlefield, 2015.

MLA (8th ed.) Citation

Edgerton, Michael Edward. The 21st-century Voice: Contemporary and Traditional Extra-normal Voice. Second edition. Rowman and Littlefield, 2015.

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