APA Edition Citation

Giles, F., Keith, R. M., & Saupe, D. C. Herbaceous perennials. Reston publishing company.

Chicago Edition Citation

Giles, F.A, Rebecca Melntosh Keith, and Donald C. Saupe. Herbaceous Perennials. Reston: Reston publishing company.

MLA Edition Citation

Giles, F.A, et al. Herbaceous Perennials. Reston publishing company.