APA (7e ed.) Bronvermelding

Simons, E. N., & Gregory, E. (1938). The structure of steel simply explained. Blackie and son.

Chicago (17e ed.) Bronvermelding

Simons, Eric N., en Edwin Gregory. The Structure of Steel Simply Explained. London [etc.]: Blackie and son, 1938.

MLA (8e ed.) Bronvermelding

Simons, Eric N., en Edwin Gregory. The Structure of Steel Simply Explained. Blackie and son, 1938.