APA (7th ed.) Citation

Thomas, S. M., & Needle, L. P. (1975). Environmental Library Systems.

Chicago Style (17th ed.) Citation

Thomas, Sarah M., and Lester P. Needle. Environmental Library Systems. 1975.

MLA (9th ed.) Citation

Thomas, Sarah M., and Lester P. Needle. Environmental Library Systems. 1975.

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