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.