APA (7th ed.) Citation

Shell Group (Londres). (1959). The petroleum handbook (4a. ed.). Shell International Petroleum Company.

Chicago Style (17th ed.) Citation

Shell Group (Londres). The Petroleum Handbook. 4a. ed. Londres: Shell International Petroleum Company, 1959.

MLA (9th ed.) Citation

Shell Group (Londres). The Petroleum Handbook. 4a. ed. Shell International Petroleum Company, 1959.

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