APA (7th ed.) Citation

Hoffmann, L., Bauer, W., & Müller, G. (1971). Proposals for nature conservation in Northern Greece: A report. Internat. Union for Conservation of Nature and Natural Resources.

Chicago Style (17th ed.) Citation

Hoffmann, L., W. Bauer, and G. Müller. Proposals for Nature Conservation in Northern Greece: A Report. Morges: Internat. Union for Conservation of Nature and Natural Resources, 1971.

MLA (9th ed.) Citation

Hoffmann, L., et al. Proposals for Nature Conservation in Northern Greece: A Report. Internat. Union for Conservation of Nature and Natural Resources, 1971.