APA (7th ed.) Citation

Thomson, K. G. (1970). Guide To Letter Writing What To Say How to say. Pan Book.

Chicago Style (17th ed.) Citation

Thomson, K. Graham. Guide To Letter Writing What To Say How to Say. Pan Book, 1970.

MLA (8th ed.) Citation

Thomson, K. Graham. Guide To Letter Writing What To Say How to Say. Pan Book, 1970.

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