APA

Parkes C. M., Stevenson-Hinde J. & Marris P. (1991). Attachment across the life cycle. London: Routledge.

Chicago

Parkes Colin Murray, Stevenson-Hinde Joan and Marris Peter. 1991. Attachment across the life cycle. London: Routledge.

Harvard

Parkes C. M., Stevenson-Hinde J. and Marris P. (1991). Attachment across the life cycle. London: Routledge.

MLA

Parkes Colin Murray, Stevenson-Hinde Joan and Marris Peter. Attachment across the life cycle. London: Routledge. 1991.