APA
Anderson C. B., Duffy J. & Kahn J. (1969). A manual on bookselling. New York: American Booksellers Association.
Chicago
Anderson Charles B, Duffy J.A and Kahn J.D. 1969. A manual on bookselling. New York: American Booksellers Association.
Harvard
Anderson C. B., Duffy J. and Kahn J. (1969). A manual on bookselling. New York: American Booksellers Association.
MLA
Anderson Charles B, Duffy J.A and Kahn J.D. A manual on bookselling. New York: American Booksellers Association. 1969.