APA (7th ed.) Citation

Carling, J. R. (1904). The viking's skull. Little, Brown, and company.

Chicago Style (17th ed.) Citation

Carling, John R. The Viking's Skull. Boston: Little, Brown, and company, 1904.

MLA (9th ed.) Citation

Carling, John R. The Viking's Skull. Little, Brown, and company, 1904.