Gaya APA

Center, E, M. et al (1973). Vertebrate Biology a laboratory manual / Henry B. Kistler ...[et.al.]; Editors: Norman K. Wessells, Elizabeth M. Wessells (Preliminary Edition). : William Kaufmann.

Gaya MLA

Center, Elizabeth, M.. et al. "Vertebrate Biology a laboratory manual / Henry B. Kistler ...[et.al.]; Editors: Norman K. Wessells, Elizabeth M. Wessells". Preliminary Edition : William Kaufmann, 1973. Textbook.