Twigg, M. V. (2021). Michael S Spencer, Catalytic Physical Chemist: 15 February 1932–3 April 2020. Topics in catalysis, 64(17-20), 1052-1053. https://doi.org/10.1007/s11244-020-01354-4
Chicago-Zitierstil (17. Ausg.)Twigg, Martyn V. "Michael S Spencer, Catalytic Physical Chemist: 15 February 1932–3 April 2020." Topics in Catalysis 64, no. 17-20 (2021): 1052-1053. https://doi.org/10.1007/s11244-020-01354-4.
MLA-Zitierstil (9. Ausg.)Twigg, Martyn V. "Michael S Spencer, Catalytic Physical Chemist: 15 February 1932–3 April 2020." Topics in Catalysis, vol. 64, no. 17-20, 2021, pp. 1052-1053, https://doi.org/10.1007/s11244-020-01354-4.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.