APA-Zitierstil (7. Ausg.)

Backer, A. P., Killick, D. J. B., & Edwards, D. (1986). A plant ecological bibliography and thesaurus for Southern Africa up to 1975. Botanical Research Inst. [u.a.].

Chicago-Zitierstil (17. Ausg.)

Backer, A. P., D. J. B. Killick, und D. Edwards. A Plant Ecological Bibliography and Thesaurus for Southern Africa Up to 1975. Pretoria: Botanical Research Inst. [u.a.], 1986.

MLA-Zitierstil (9. Ausg.)

Backer, A. P., et al. A Plant Ecological Bibliography and Thesaurus for Southern Africa Up to 1975. Botanical Research Inst. [u.a.], 1986.