APA (7th ed.) Citation

Cooper, C. L. (1977). Economics of seal material selection. Hydraulics & Pneumatics, 30, 59.

Chicago Style (17th ed.) Citation

Cooper, C. L. "Economics of Seal Material Selection." Hydraulics & Pneumatics 30 (1977): 59.

MLA (9th ed.) Citation

Cooper, C. L. "Economics of Seal Material Selection." Hydraulics & Pneumatics, vol. 30, 1977, p. 59.

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