APA (7th ed.) Citation

Partridge, F., Holman, W. R., & Holman, B. (1985). Friendship. [publisher not identified].

Chicago Style (17th ed.) Citation

Partridge, Frances, William R. Holman, and Barbara Holman. Friendship. [Austin, Texas?]: [publisher not identified], 1985.

MLA (9th ed.) Citation

Partridge, Frances, et al. Friendship. [publisher not identified], 1985.