APA (7th ed.) Citation

Armstrong, M. L. (1965). Electrocardiograms: A systematic method of reading them. Wright.

Chicago Style (17th ed.) Citation

Armstrong, Michael L. Electrocardiograms: A Systematic Method of Reading Them. Bristol: Wright, 1965.

MLA (9th ed.) Citation

Armstrong, Michael L. Electrocardiograms: A Systematic Method of Reading Them. Wright, 1965.

Warning: These citations may not always be 100% accurate.