APA (7th ed.) Citation

Melvin, B., Melvin, T., & Frost, R. (1978). Robert Frost country. Doubleday.

Chicago Style (17th ed.) Citation

Melvin, Betsy, Tom Melvin, and Robert Frost. Robert Frost Country. Garden City, N.Y.: Doubleday, 1978.

MLA (9th ed.) Citation

Melvin, Betsy, et al. Robert Frost Country. Doubleday, 1978.