APA (7th ed.) Citation

Pears, P. (1967). Moscow Christmas: December 1966. [publisher not identified].

Chicago Style (17th ed.) Citation

Pears, Peter. Moscow Christmas: December 1966. [England?]: [publisher not identified], 1967.

MLA (9th ed.) Citation

Pears, Peter. Moscow Christmas: December 1966. [publisher not identified], 1967.