APA Style

Hopkins, W, G., uner, N, P, A, H, Â. (2009). Introduction to Plant Physiology (Fourth Edition). United States of America: John Wiley & Sons, Inc..

MLA Style

Hopkins, William, G.., uner, Norman, P., A., H, ¨. "Introduction to Plant Physiology". Fourth Edition United States of America: John Wiley & Sons, Inc., 2009. Text.