APA

Parry Abbott,, . (1968). The seven lamps of advocacy. New York: Books for Libraries Press.

Chicago

Parry Abbott,, . 1968. The seven lamps of advocacy. New York: Books for Libraries Press.

Harvard

Parry Abbott,, . (1968). The seven lamps of advocacy. New York: Books for Libraries Press.

MLA

Parry Abbott,, . The seven lamps of advocacy. New York: Books for Libraries Press. 1968.