APA (7th ed.) Citation

Kaplan, R., & Kaplan, S. (1978). Humanscape: Environments for people. Duxbury Press.

Chicago Style (17th ed.) Citation

Kaplan, Rachel, and Stephen Kaplan. Humanscape: Environments for People. N. Scituate, Mass: Duxbury Press, 1978.

MLA (9th ed.) Citation

Kaplan, Rachel, and Stephen Kaplan. Humanscape: Environments for People. Duxbury Press, 1978.