APA (7e ed.) Bronvermelding

Walford, L. A. (1958). Living resources of the sea: Opportunities for research and expansion. Ronald Press Co.

Chicago (17e ed.) Bronvermelding

Walford, Lionel Albert. Living Resources of the Sea: Opportunities for Research and Expansion. New York: Ronald Press Co, 1958.

MLA (9e ed.) Bronvermelding

Walford, Lionel Albert. Living Resources of the Sea: Opportunities for Research and Expansion. Ronald Press Co, 1958.