APA (7th ed.) Citation

Sporne, K. (1975). The morphology of pteridophytes (4th ed.). Hutchinson University Library.

Chicago Style (17th ed.) Citation

Sporne, K.R. The Morphology of Pteridophytes. 4th ed. London: Hutchinson University Library, 1975.

MLA (9th ed.) Citation

Sporne, K.R. The Morphology of Pteridophytes. 4th ed. Hutchinson University Library, 1975.

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