APA Citation

Froeschels, E. (1948). Twentieth century speech and voice correction. Philosophical Library.

Chicago Style Citation

Froeschels, Emil. Twentieth Century Speech and Voice Correction. Philosophical Library, 1948.

MLA Citation

Froeschels, Emil. Twentieth Century Speech and Voice Correction. Philosophical Library, 1948.

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