I dove into similar questions but didn't find the exact question. I am writing my paper and I know that "the" should be used before methods, but how could it be when there are 3 methods consecutively in a sentence? I was wondering if you could let me know which of them is true.
- We analyzed aftershocks using the Gardner (1974), the Knopo (1986), and the Grünthal (1998) methods.
- We analyzed aftershocks using the Gardner (1974), Knopo (1986), and Grünthal (1998) methods.
- We analyzed aftershocks using the Gardner (1974) method, the Knopo (1986) method, and the Grünthal (1998) method.
Could we omit the or method in two of them in order to get rid of repetition?