Gaya APA

ULLREY, D, E. et al (2010). ENCYCLOPEDIA OF ANIMAL SCIENCE SECOND EDITION VOLUME I (SECOND EDITION). NEW YORK: CRC PRESS.

Gaya MLA

ULLREY, DUANE, E.. et al. "ENCYCLOPEDIA OF ANIMAL SCIENCE SECOND EDITION VOLUME I". SECOND EDITION NEW YORK: CRC PRESS, 2010. Text.