The '87 standard is famous for its strict sequence. Unlike modern styles that might get fancy with author-year layouts, the 1987 version focuses on the order of appearance.
: Chinese names are typically written in Pinyin with the surname first in capitals (e.g., ZHANG Wei). Western names also place the surname in capitals followed by initials (e.g., SMITH J). gb7714-87 endnote
Assuming you choose Method 1 (cloning and editing), here is the exact walkthrough for EndNote 20/21/X9. The '87 standard is famous for its strict sequence