APA (7th ed.) Citation

Donaldson, C. M. (1975). Ultrabasic breccias in layered intrusions. Journal of Geology, 83, 33. https://doi.org/10.1086/628043

Chicago Style (17th ed.) Citation

Donaldson, C. M. "Ultrabasic Breccias in Layered Intrusions." Journal of Geology 83 (1975): 33. https://doi.org/10.1086/628043.

MLA (9th ed.) Citation

Donaldson, C. M. "Ultrabasic Breccias in Layered Intrusions." Journal of Geology, vol. 83, 1975, p. 33, https://doi.org/10.1086/628043.