APA (7th ed.) Citation

Wulzen, R. (1923). A study in the nutrition of an invertebrate, Planaria maculata. [publisher not identified].

Chicago Style (17th ed.) Citation

Wulzen, Rosalind. A Study in the Nutrition of an Invertebrate, Planaria Maculata. Berkeley: [publisher not identified], 1923.

MLA (9th ed.) Citation

Wulzen, Rosalind. A Study in the Nutrition of an Invertebrate, Planaria Maculata. [publisher not identified], 1923.

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