APA-viite (7. p.)

Heslop-Harrison, J. (1953). New concepts in flowering plant taxonomy. Harvard University Press.

Chicago-viite (17. p.)

Heslop-Harrison, J. New Concepts in Flowering Plant Taxonomy. Cambridge, Mass: Harvard University Press, 1953.

MLA-viite (9. p.)

Heslop-Harrison, J. New Concepts in Flowering Plant Taxonomy. Harvard University Press, 1953.