APA

Trevaskis K., . (1968). Shades of amber. London: Hutchinson.

Chicago

Trevaskis Kennedy, . 1968. Shades of amber. London: Hutchinson.

Harvard

Trevaskis K., . (1968). Shades of amber. London: Hutchinson.

MLA

Trevaskis Kennedy, . Shades of amber. London: Hutchinson. 1968.