APA
Cook C. D. K., Gut B. J., Rix E. M., Schneller J. & Seitz M. (1974). Water plants of the world : a manual for identification of the genera of freshwater macrophytes. The Hague: W. Junk.
Chicago
Cook Christopher D K, Gut Bernardo J, Rix E Martyn, Schneller Jakob and Seitz Marta. 1974. Water plants of the world : a manual for identification of the genera of freshwater macrophytes. The Hague: W. Junk.
Harvard
Cook C. D. K., Gut B. J., Rix E. M., Schneller J. and Seitz M. (1974). Water plants of the world : a manual for identification of the genera of freshwater macrophytes. The Hague: W. Junk.
MLA
Cook Christopher D K, Gut Bernardo J, Rix E Martyn, Schneller Jakob and Seitz Marta. Water plants of the world : a manual for identification of the genera of freshwater macrophytes. The Hague: W. Junk. 1974.