APA (7th ed.) Citation

Perrin, R. W. E. (1975). Outdoor museums. [Milwaukee Public Museum].

Chicago Style (17th ed.) Citation

Perrin, Richard W. E. Outdoor Museums. [Milwaukee]: [Milwaukee Public Museum], 1975.

MLA (9th ed.) Citation

Perrin, Richard W. E. Outdoor Museums. [Milwaukee Public Museum], 1975.