APA

Hollerbach S., . (2004). The "how-to" of sketching: develop your ability to produce expressive, lively line drawings. Bloomington, Ind: AuthorHouse.

Chicago

Hollerbach Serge, . 2004. The "how-to" of sketching: develop your ability to produce expressive, lively line drawings. Bloomington, Ind: AuthorHouse.

Harvard

Hollerbach S., . (2004). The "how-to" of sketching: develop your ability to produce expressive, lively line drawings. Bloomington, Ind: AuthorHouse.

MLA

Hollerbach Serge, . The "how-to" of sketching: develop your ability to produce expressive, lively line drawings. Bloomington, Ind: AuthorHouse. 2004.