APA (7th ed.) Citation

Watkin, J., & Hillman-Smith, A. A simple method for the analysis of stratified aerial sample counts. IUCN.

Chicago Style (17th ed.) Citation

Watkin, John, and A.K.K Hillman-Smith. A Simple Method for the Analysis of Stratified Aerial Sample Counts. IUCN.

MLA (9th ed.) Citation

Watkin, John, and A.K.K Hillman-Smith. A Simple Method for the Analysis of Stratified Aerial Sample Counts. IUCN.

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