Cita APA (7a ed.)

Nolen, J., & Hubbard, H. V. (1937). Parkways and land values. Harvard univ. press.

Cita Chicago Style (17a ed.)

Nolen, John, y Henry Vincent Hubbard. Parkways and Land Values. Cambridge: Harvard univ. press, 1937.

Cita MLA (9a ed.)

Nolen, John, y Henry Vincent Hubbard. Parkways and Land Values. Harvard univ. press, 1937.