Gaya APA

Swanson, C, P., Bruhns, . (1967). A new manual of logarithms to seven places of decimals . Chicago: Chicago: The Charles T. Powner; 1967.

Gaya MLA

Swanson, Carl, P.., Bruhns, . "A new manual of logarithms to seven places of decimals". Chicago: Chicago: The Charles T. Powner; 1967, 1967. Text.