APA-viite (7. p.)

Crawford, R. M. M., & Spence, D. H. N. (1987). Plant life in aquatic and amphibious habitats. Blackwell Scientific Publications ; Distributors, U.S.A. and Canada, Blackwell Scientific Publications.

Chicago-viite (17. p.)

Crawford, R. M. M., ja David Hugh Neven Spence. Plant Life in Aquatic and Amphibious Habitats. Oxford [Oxfordshire] ; Boston Mass., U.S.A. : Palo Alto, Calif.: Blackwell Scientific Publications ; Distributors, U.S.A. and Canada, Blackwell Scientific Publications, 1987.

MLA-viite (9. p.)

Crawford, R. M. M., ja David Hugh Neven Spence. Plant Life in Aquatic and Amphibious Habitats. Blackwell Scientific Publications ; Distributors, U.S.A. and Canada, Blackwell Scientific Publications, 1987.