APA (7th ed.) Citation

Stafleu F.A, Demoulin, V., Greuter, W., Hiepko, P., Linczevski, I., McVaugh, R., . . . Voss, E. (1978). International Code of Botanical Nomenclature: Adopted by the Twelfth International Botanical Congress. Leningrad, July 1975. Bohn, Schltema & Holkema.

Chicago Style (17th ed.) Citation

Stafleu F.A, et al. International Code of Botanical Nomenclature: Adopted by the Twelfth International Botanical Congress. Leningrad, July 1975. Utrecht: Bohn, Schltema & Holkema, 1978.

MLA (9th ed.) Citation

Stafleu F.A, et al. International Code of Botanical Nomenclature: Adopted by the Twelfth International Botanical Congress. Leningrad, July 1975. Bohn, Schltema & Holkema, 1978.