APA (7th ed.) Citation

Foster, J., & Foster, J. (1975). To the wild country. Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Foster, John, and Janet Foster. To the Wild Country. Toronto ; New York: Van Nostrand Reinhold, 1975.

MLA (9th ed.) Citation

Foster, John, and Janet Foster. To the Wild Country. Van Nostrand Reinhold, 1975.