APA (7th ed.) Citation

Clulow, C. F. (1990). Marriage in the 1990s. [s.n.].

Chicago Style (17th ed.) Citation

Clulow, Christopher F. Marriage in the 1990s. [S.l.]: [s.n.], 1990.

MLA (9th ed.) Citation

Clulow, Christopher F. Marriage in the 1990s. [s.n.], 1990.