Cita APA

Alexander, L. G. (1970). Sixty Steps to Précis: : a New Approach to Summary-Writing for Overseas Students (2nd ed.). London: : Longman Group.

Citación estilo Chicago

Alexander, L. G. Sixty Steps to Précis: : A New Approach to Summary-Writing for Overseas Students. 2nd ed. London: : Longman Group, 1970.

Cita MLA

Alexander, L. G. Sixty Steps to Précis: : A New Approach to Summary-Writing for Overseas Students. 2nd ed. London: : Longman Group, 1970.