Answer:
B. Author
Explanation:
Source cards are cards that contain important & essential information mandatory to reference a source(s). Source cards contain the name of the author, the title of the literary work or article, city of publication, name of publisher, copyright date, website URL etc.
The above source card included the following details shown below:
I. Title of book - "Chaos: Making a New Science"
II. City of publication - "New York"
III. Publisher - "Penguin"
IV. Copyright year - "1987"
From the above, we observe that the name of the author is missing.
<u>As such, Option B (Author) is the missing detail as well as the correct answer</u>