APA (7th ed.) Citation

Billington, N., & Jeffery, J. (1984). Plant forms / collected and arranged by Nigel Billington and John Jeffery. Longman.

Chicago Style (17th ed.) Citation

Billington, Nigel, and John Jeffery. Plant Forms / Collected and Arranged by Nigel Billington and John Jeffery. London: Longman, 1984.

MLA (9th ed.) Citation

Billington, Nigel, and John Jeffery. Plant Forms / Collected and Arranged by Nigel Billington and John Jeffery. Longman, 1984.

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