APA
Crane M. G., Sample C. & Patchett S.Os vegetarianos e a vitamina B12. : .
Chicago
Crane Milton G, Sample Clyde and Patchett Shary.Os vegetarianos e a vitamina B12. : .
Harvard
Crane M. G., Sample C. and Patchett S.Os vegetarianos e a vitamina B12. : .
MLA
Crane Milton G, Sample Clyde and Patchett Shary.: . .