APA (7th ed.) Citation

Thornley, G. (1967). Elementary scientific english practice. Longman.

Chicago Style (17th ed.) Citation

Thornley, G.C. Elementary Scientific English Practice. Lóndres: Longman, 1967.

MLA (9th ed.) Citation

Thornley, G.C. Elementary Scientific English Practice. Longman, 1967.

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