APA (7th ed.) Citation

Sandover, J. A., & Sims, G. D. (1974). [Letter] 1974 May 29, Lae, Papua New Guinea [to] G. D. Sims, Southampton.

Chicago Style (17th ed.) Citation

Sandover, John A., and G. D. Sims. [Letter] 1974 May 29, Lae, Papua New Guinea [to] G. D. Sims, Southampton. 1974.

MLA (9th ed.) Citation

Sandover, John A., and G. D. Sims. [Letter] 1974 May 29, Lae, Papua New Guinea [to] G. D. Sims, Southampton. 1974.

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