APA (7th ed.) Citation

Whitton, B. (1984). FERNS AND ALLIED PLANTS (Book). International Journal of Environmental Studies, 22(3/4), 310.

Chicago Style (17th ed.) Citation

Whitton, B.A. "FERNS AND ALLIED PLANTS (Book)." International Journal of Environmental Studies 22, no. 3/4 (1984): 310.

MLA (9th ed.) Citation

Whitton, B.A. "FERNS AND ALLIED PLANTS (Book)." International Journal of Environmental Studies, vol. 22, no. 3/4, 1984, p. 310.