APA (7th ed.) Citation

Duellman, W. E. A New Subspecies of Lizard, Cnemidophorus sacki, from Michoacán, México.

Chicago Style (17th ed.) Citation

Duellman, William Edward. A New Subspecies of Lizard, Cnemidophorus Sacki, from Michoacán, México.

MLA (9th ed.) Citation

Duellman, William Edward. A New Subspecies of Lizard, Cnemidophorus Sacki, from Michoacán, México.

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