Cita APA (7a ed.)

Thomas, C. K. (1958). An introduction to the phonetics of american english. The Ronald press company.

Cita Chicago Style (17a ed.)

Thomas, Charles Kenneth. An Introduction to the Phonetics of American English. New York: The Ronald press company, 1958.

Cita MLA (9a ed.)

Thomas, Charles Kenneth. An Introduction to the Phonetics of American English. The Ronald press company, 1958.