authorship

What is the authorship of that novel?

那小说出自何人之手?

Make authorship your avocation, not your vocation.

把写作当作你副业，不要把它当作正业。

Nothing is known of the authorship of the book.

无人知道该是何人所写。

They all accredited him with the authorship of this book.

他们都认为他是这作者。

They all accredited him with the true authorship of this thesis.

他们都认为他是这篇论文真正作者。