APA (7th ed.) Citation

Shell Bitumen. (1990). The shell bitumen handbook. Shell Bitumen.

Chicago Style (17th ed.) Citation

Shell Bitumen. The Shell Bitumen Handbook. Chertsey, U.K.: Shell Bitumen, 1990.

MLA (9th ed.) Citation

Shell Bitumen. The Shell Bitumen Handbook. Shell Bitumen, 1990.

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