APA (7th ed.) Citation

Randolph, A. F., Pabst, F., & Forrer, M. (1934). Chem. & Met. directory of plastics. Chemical & Metallurgical Engineering, 41, 589.

Chicago Style (17th ed.) Citation

Randolph, A. F., F. Pabst, and M. Forrer. "Chem. & Met. Directory of Plastics." Chemical & Metallurgical Engineering 41 (1934): 589.

MLA (9th ed.) Citation

Randolph, A. F., et al. "Chem. & Met. Directory of Plastics." Chemical & Metallurgical Engineering, vol. 41, 1934, p. 589.