APA (7th ed.) Citation

Alexander, L. G. (1967). First things first: An integrated course for beginners [students' book]. Longmans.

Chicago Style (17th ed.) Citation

Alexander, L. G. First Things First: An Integrated Course for Beginners [students' Book]. London: Longmans, 1967.

MLA (9th ed.) Citation

Alexander, L. G. First Things First: An Integrated Course for Beginners [students' Book]. Longmans, 1967.

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