APA (7th ed.) Citation

Hoffmann, L., Bauer, W., & Mller, G. (1971). Proposals for nature conservation in Northern Greece. IUCN.

Chicago Style (17th ed.) Citation

Hoffmann, L., W. Bauer, and G. Mller. Proposals for Nature Conservation in Northern Greece. Morges: IUCN, 1971.

MLA (9th ed.) Citation

Hoffmann, L., et al. Proposals for Nature Conservation in Northern Greece. IUCN, 1971.

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