APA (7th ed.) Citation

Bernardo Villa R. & Hall, E. R. (2012). An Annotated Check List of the Mammals of Michoacán, México. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bernardo Villa R. and E. Raymond Hall. An Annotated Check List of the Mammals of Michoacán, México. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Bernardo Villa R. and E. Raymond Hall. An Annotated Check List of the Mammals of Michoacán, México. Project Gutenberg, 2012.

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