APA
Lessenbery D D, Crawford T James Erickson Lawrence W, . (1957). 20th century typewriting:Complete course. Cincinnati: South-Western Publishing Company.
Chicago
Lessenbery D D, Crawford T James Erickson Lawrence W, . 1957. 20th century typewriting:Complete course. Cincinnati: South-Western Publishing Company.
Harvard
Lessenbery D D, Crawford T James Erickson Lawrence W, . (1957). 20th century typewriting:Complete course. Cincinnati: South-Western Publishing Company.
MLA
Lessenbery D D, Crawford T James Erickson Lawrence W, . 20th century typewriting:Complete course. Cincinnati: South-Western Publishing Company. 1957.
