APA (7th ed.) Citation

Thorp, R. W., & Woodson, W. D. (1945). Black widow: America's most poisonous spider. The University of North Carolina press.

Chicago Style (17th ed.) Citation

Thorp, Raymond W., and Weldon Dwight Woodson. Black Widow: America's Most Poisonous Spider. Chapel Hill: The University of North Carolina press, 1945.

MLA (9th ed.) Citation

Thorp, Raymond W., and Weldon Dwight Woodson. Black Widow: America's Most Poisonous Spider. The University of North Carolina press, 1945.