APA (7th ed.) Citation

Lüthi, H. (2011). Birdwatching in Peru: 1963-2006. Universidad Nacional Mayor de San Marcos.

Chicago Style (17th ed.) Citation

Lüthi, Hansjakob. Birdwatching in Peru: 1963-2006. Universidad Nacional Mayor de San Marcos, 2011.

MLA (9th ed.) Citation

Lüthi, Hansjakob. Birdwatching in Peru: 1963-2006. Universidad Nacional Mayor de San Marcos, 2011.

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