APA (7th ed.) Citation

Burkhardt, D. B. (1968). Increasing conversion efficiency. Chemical Engineering Progress, 64, 66.

Chicago Style (17th ed.) Citation

Burkhardt, D. B. "Increasing Conversion Efficiency." Chemical Engineering Progress 64 (1968): 66.

MLA (9th ed.) Citation

Burkhardt, D. B. "Increasing Conversion Efficiency." Chemical Engineering Progress, vol. 64, 1968, p. 66.

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