APA (7th ed.) Citation

Pieper, R. E. (1971). A study of the relationship between zooplankton and high-frequency scattering of underwater sound. [publisher not identified].

Chicago Style (17th ed.) Citation

Pieper, Richard Edward. A Study of the Relationship Between Zooplankton and High-frequency Scattering of Underwater Sound. [Place of publication not identified]: [publisher not identified], 1971.

MLA (9th ed.) Citation

Pieper, Richard Edward. A Study of the Relationship Between Zooplankton and High-frequency Scattering of Underwater Sound. [publisher not identified], 1971.