APA

Acha P. N., Szyfres B., . (1987). Zoonoses & Communicable Diseases Common to man & animals. Washington: Pan American Health Organization.

Chicago

Acha Pedro N, Szyfres Boris, . 1987. Zoonoses & Communicable Diseases Common to man & animals. Washington: Pan American Health Organization.

Harvard

Acha P. N., Szyfres B., . (1987). Zoonoses & Communicable Diseases Common to man & animals. Washington: Pan American Health Organization.

MLA

Acha Pedro N, Szyfres Boris, . Zoonoses & Communicable Diseases Common to man & animals. Washington: Pan American Health Organization. 1987.