APA Citation

Simpson, G. G., & Bcek, W. S. Life: An introduction to biology / George Gaylord , William S. Beck. NewYork : Harcourt, Brace World.

Chicago Style Citation

Simpson, George Gaylord, and William S. Bcek. Life: An Introduction to Biology / George Gaylord , William S. Beck. NewYork : Harcourt, Brace World.

MLA Citation

Simpson, George Gaylord, and William S. Bcek. Life: An Introduction to Biology / George Gaylord , William S. Beck. NewYork : Harcourt, Brace World.

Warning: These citations may not always be 100% accurate.