APA (7th ed.) Citation

(1968). Ceylon Standard specification for envelopes postcards and picture post cards for postal purposes. bureau of ceylon standards.

Chicago Style (17th ed.) Citation

Ceylon Standard Specification for Envelopes Postcards and Picture Post Cards for Postal Purposes. Colombo: bureau of ceylon standards, 1968.

MLA (9th ed.) Citation

Ceylon Standard Specification for Envelopes Postcards and Picture Post Cards for Postal Purposes. bureau of ceylon standards, 1968.

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