APA

Winter I. L., . (1915). Public speaking, principles and practice. New York: The Macmillan company.

Chicago

Winter Irvah Lester, . 1915. Public speaking, principles and practice. New York: The Macmillan company.

Harvard

Winter I. L., . (1915). Public speaking, principles and practice. New York: The Macmillan company.

MLA

Winter Irvah Lester, . Public speaking, principles and practice. New York: The Macmillan company. 1915.