APA (7th ed.) Citation

Phillips, R., & Rix, M. (1999). Annuals and biennials (First publ.). Macmillan.

Chicago Style (17th ed.) Citation

Phillips, Roger, and Martyn Rix. Annuals and Biennials. First publ. London: Macmillan, 1999.

MLA (9th ed.) Citation

Phillips, Roger, and Martyn Rix. Annuals and Biennials. First publ. Macmillan, 1999.

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