太像了，最好在图的caption里面说明一下

要在图注里表明该文献

我在图注中说明引用了这篇文献，但是我投稿的编辑部还需要版权，我查了下这个图片的版权需要交费呢，想不交冤枉钱，因此想咨询下到底需要版权不，如果真的需要，那就只好交钱买版权了。我的图注如下：
Figure 2. A diagram of the bacterial fatty acid synthesis cycle (FASII). Highlighted in red
are (i) platensimycin inhibiting FabF/B and platencin dually inhibiting FabF and FabH, and
(ii) the two complementary mechanisms of platensimycin and platencin resistance in
S. platensis by target replacement and target modification. Adapted from Peterson et al. [10]，