APA (7th ed.) Citation

Watkins, V. P., & Silkin, J. (1969). Vernon Watkins and Jon Silkin. Longmans.

Chicago Style (17th ed.) Citation

Watkins, Vernon Phillips, and Jon Silkin. Vernon Watkins and Jon Silkin. London: Longmans, 1969.

MLA (9th ed.) Citation

Watkins, Vernon Phillips, and Jon Silkin. Vernon Watkins and Jon Silkin. Longmans, 1969.

Warning: These citations may not always be 100% accurate.