APA (7th ed.) Citation

BARNFIELD, G. R., & Male, T. (1963). Technical drawing. English Universities Press.

Chicago Style (17th ed.) Citation

BARNFIELD, George Raymond, and T. Male. Technical Drawing. Londres: English Universities Press, 1963.

MLA (9th ed.) Citation

BARNFIELD, George Raymond, and T. Male. Technical Drawing. English Universities Press, 1963.