APA Style
LEHNERT, Josef. (1977).
Introduction to Telegraph Engineering (2nd ed).
Heyden:
Siemens.
Chicago Style
LEHNERT, Josef.
Introduction to Telegraph Engineering.
2nd ed
Heyden:
Siemens,
1977.
Text.
MLA Style
LEHNERT, Josef.
Introduction to Telegraph Engineering.
2nd ed
Heyden:
Siemens,
1977.
Text.
Turabian Style
LEHNERT, Josef.
Introduction to Telegraph Engineering.
2nd ed
Heyden:
Siemens,
1977.
Print.