A drill manual for improving speech

MLA

Brigance, William Norwood, and Florence M Henderson. A Drill Manual for Improving Speech. Philadelphia: Lippincott, 1939.

APA

Brigance, W. Norwood, & Henderson, F. M. (1939). A drill manual for improving speech. Philadelphia: Lippincott.

Chicago

Brigance, William Norwood, and Florence M Henderson. A Drill Manual for Improving Speech. Philadelphia: Lippincott, 1939.