APA

Engestrom Yrjo, Middleton David, . (1998). Cognition and communication at work. Cambridge: Cambridge University Press.

Chicago

Engestrom Yrjo, Middleton David, . 1998. Cognition and communication at work. Cambridge: Cambridge University Press.

Harvard

Engestrom Yrjo, Middleton David, . (1998). Cognition and communication at work. Cambridge: Cambridge University Press.

MLA

Engestrom Yrjo, Middleton David, . Cognition and communication at work. Cambridge: Cambridge University Press. 1998.