Introduction to the spectrography of speech.
APA Citation
Pulgram, E. (1959). Introduction to the spectrography of speech. 's-Gravenhage: Mouton.
MLA Citation
Pulgram, Ernst. Introduction to the Spectrography of Speech. 's-Gravenhage: Mouton, 1959.
Warning: These citations may not always be complete (especially for serials).