APA
Patterson H. M., . (1956). Writing and selling feature articles. Englewood Cliffs: Pretnice-Hall.
Chicago
Patterson Helen M, . 1956. Writing and selling feature articles. Englewood Cliffs: Pretnice-Hall.
Harvard
Patterson H. M., . (1956). Writing and selling feature articles. Englewood Cliffs: Pretnice-Hall.
MLA
Patterson Helen M, . Writing and selling feature articles. Englewood Cliffs: Pretnice-Hall. 1956.