APA

Hagar H. A., Wilson L. G. [. o. c., Hutchinson E. L. & Blanchard C. I. [. o. c. (1935). The English of business. New York: The Gregg Pub. Co.

Chicago

Hagar Hubert A, Wilson Lillian Grissom [from old catalog], Hutchinson Elsie Lillian and Blanchard Clyde Insley [from old catalog]. 1935. The English of business. New York: The Gregg Pub. Co.

Harvard

Hagar H. A., Wilson L. G. [. o. c., Hutchinson E. L. and Blanchard C. I. [. o. c. (1935). The English of business. New York: The Gregg Pub. Co.

MLA

Hagar Hubert A, Wilson Lillian Grissom [from old catalog], Hutchinson Elsie Lillian and Blanchard Clyde Insley [from old catalog]. The English of business. New York: The Gregg Pub. Co. 1935.