APA (7th ed.) Citation

Weber, D., & Zahn, T. (2014). A call to duty: A novel of the honorverse. Baen.

Chicago Style (17th ed.) Citation

Weber, David, and Timothy Zahn. A Call to Duty: A Novel of the Honorverse. Riverdale, NY: Baen, 2014.

MLA (9th ed.) Citation

Weber, David, and Timothy Zahn. A Call to Duty: A Novel of the Honorverse. Baen, 2014.