APA (7th ed.) Citation

Polk, D. (1977). Vernon Watkins and the spring of vision / (by) Dora Polk. C. Davies.

Chicago Style (17th ed.) Citation

Polk, Dora. Vernon Watkins and the Spring of Vision / (by) Dora Polk. Swansea: C. Davies, 1977.

MLA (9th ed.) Citation

Polk, Dora. Vernon Watkins and the Spring of Vision / (by) Dora Polk. C. Davies, 1977.

Warning: These citations may not always be 100% accurate.