APA (7th ed.) Citation

Phythian, B. (1991). Guide to english usage. Federal Publications(S)Pte.Ltd..

Chicago Style (17th ed.) Citation

Phythian, B.A. Guide to English Usage. Singapore: Federal Publications(S)Pte.Ltd., 1991.

MLA (9th ed.) Citation

Phythian, B.A. Guide to English Usage. Federal Publications(S)Pte.Ltd., 1991.

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