APA (7th ed.) Citation

Hoy, C. I. (1936). John Jacob Astor: An unwritten chapter. Meader publishing company.

Chicago Style (17th ed.) Citation

Hoy, Calvin I. John Jacob Astor: An Unwritten Chapter. Boston: Meader publishing company, 1936.

MLA (9th ed.) Citation

Hoy, Calvin I. John Jacob Astor: An Unwritten Chapter. Meader publishing company, 1936.