APA (7e ed.) Bronvermelding

Trimmer, J. (1842). Practical geology and mineralogy: With instructions for the qualitative analysis of minerals. Lea and Blanchard.

Chicago (17e ed.) Bronvermelding

Trimmer, Joshua. Practical Geology and Mineralogy: With Instructions for the Qualitative Analysis of Minerals. Philadelphia: Lea and Blanchard, 1842.

MLA (8e ed.) Bronvermelding

Trimmer, Joshua. Practical Geology and Mineralogy: With Instructions for the Qualitative Analysis of Minerals. Lea and Blanchard, 1842.