APA

Petr C. G., . (1998). Social work with children and their families: pragmatic foundations. New York, N.Y: Oxford University Press.

Chicago

Petr Christopher G, . 1998. Social work with children and their families: pragmatic foundations. New York, N.Y: Oxford University Press.

Harvard

Petr C. G., . (1998). Social work with children and their families: pragmatic foundations. New York, N.Y: Oxford University Press.

MLA

Petr Christopher G, . Social work with children and their families: pragmatic foundations. New York, N.Y: Oxford University Press. 1998.