APA (7th ed.) Citation

(1970). Ceylon standard specification for mild steel hexagon and square black bolts, screws and nuts with whitworth threads. bureau of ceylon standards.

Chicago Style (17th ed.) Citation

Ceylon Standard Specification for Mild Steel Hexagon and Square Black Bolts, Screws and Nuts with Whitworth Threads. Colombo: bureau of ceylon standards, 1970.

MLA (9th ed.) Citation

Ceylon Standard Specification for Mild Steel Hexagon and Square Black Bolts, Screws and Nuts with Whitworth Threads. bureau of ceylon standards, 1970.

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