APA (7th ed.) Citation

Schmucker, S. C. (1925). Man's life on earth. The Macmillan company.

Chicago Style (17th ed.) Citation

Schmucker, Samuel Christian. Man's Life on Earth. New York: The Macmillan company, 1925.

MLA (9th ed.) Citation

Schmucker, Samuel Christian. Man's Life on Earth. The Macmillan company, 1925.