APA (7th ed.) Citation

Vallins, G. H. (1960). The best english. (1a. ed.). The English language book society.

Chicago Style (17th ed.) Citation

Vallins, G. H. The Best English. 1a. ed. Londres: The English language book society, 1960.

MLA (9th ed.) Citation

Vallins, G. H. The Best English. 1a. ed. The English language book society, 1960.