APA:
Darwin, Charles, Darwin, Francis (2013). The autobiography of Charles Darwin. URN:NBN:SI:DOC-KUF4RXN0 from http://www.dlib.si
MLA:
Darwin, Charles, Darwin, Francis.
The autobiography of Charles Darwin.
PeBook, 2013.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-KUF4RXN0>