APA (7th ed.) Citation

Postula, W. S., Clearfield, A., & Gadalla, A. M. (1994). Conversion of synthesis gas to isobutylene over precipitated zirconia based catalysts.

Chicago Style (17th ed.) Citation

Postula, Walter Stanley, Abraham Clearfield, and Ahmed M. Gadalla. Conversion of Synthesis Gas to Isobutylene over Precipitated Zirconia Based Catalysts. 1994.

MLA (9th ed.) Citation

Postula, Walter Stanley, et al. Conversion of Synthesis Gas to Isobutylene over Precipitated Zirconia Based Catalysts. 1994.