APA (7th ed.) Citation

Ahmed, S., & unknown. (1987). Adsorption of surfactants on Saudi Arabian limestone.

Chicago Style (17th ed.) Citation

Ahmed, Shakeel, and unknown. Adsorption of Surfactants on Saudi Arabian Limestone. 1987.

MLA (9th ed.) Citation

Ahmed, Shakeel, and unknown. Adsorption of Surfactants on Saudi Arabian Limestone. 1987.

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