APA (7th ed.) Citation

Johnson, G. B., & Raven, P. H. (1988). Understanding biology. Times mirror/Mosby college.

Chicago Style (17th ed.) Citation

Johnson, George B., and Peter H. Raven. Understanding Biology. Times mirror/Mosby college, 1988.

MLA (8th ed.) Citation

Johnson, George B., and Peter H. Raven. Understanding Biology. Times mirror/Mosby college, 1988.

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